SherbyNet - /page/wikibook/entry.mu

Micron Document

<!DOCTYPE html>

<title>Structure</title>

</head>

Structure

</h1>

</header>

/* start https://en.wikipedia.org/ */

.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}

/* end https://en.wikipedia.org/ */

</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="Structure_(disambiguation)" class="mw-disambig" title="Structure (disambiguation)">Structure (disambiguation)</a>.</div>

A structure is an arrangement and organization of interrelated elements in a material object or <a href="System" title="System">system</a>, or the object or system so organized.<a href="#cite_note-OED-1">[1]</a> Physical structures include artifacts and objects such as <a href="Building" title="Building">buildings</a> and <a href="Machine" title="Machine">machines</a> and natural objects such as <a href="Organism" title="Organism">biological organisms</a>, <a href="Mineral" title="Mineral">minerals</a> and <a href="Chemical_substance" title="Chemical substance">chemicals</a>. Abstract structures include <a href="Data_structure" title="Data structure">data structures</a> in <a href="Computer_science" title="Computer science">computer science</a> and <a href="Musical_form" title="Musical form">musical form</a>. Types of structure include a <a href="Hierarchy" title="Hierarchy">hierarchy</a> (a cascade of one-to-many relationships), a <a href="Complex_network" title="Complex network">network</a> featuring many-to-many <a href="Link_(geometry)" class="mw-redirect" title="Link (geometry)">links</a>, or a <a href="Lattice_(order)" title="Lattice (order)">lattice</a> featuring connections between components that are neighbors in space.

<div class="mw-heading mw-heading2"><h2 id="Load-bearing">Load-bearing</h2></div>

<a href="Building" title="Building">Buildings</a>, <a href="Aircraft" title="Aircraft">aircraft</a>, <a href="Skeleton" title="Skeleton">skeletons</a>, <a href="Ant_colony" title="Ant colony">anthills</a>, <a href="Beaver_dam" title="Beaver dam">beaver dams</a>, <a href="Bridge" title="Bridge">bridges</a> and <a href="Salt_dome" title="Salt dome">salt domes</a> are all examples of <a href="Structural_load" title="Structural load">load</a>-bearing structures. The results of <a href="Construction" title="Construction">construction</a> are divided into <a href="Building" title="Building">buildings</a> and <a href="Nonbuilding_structure" class="mw-redirect" title="Nonbuilding structure">non-building structures</a>, and make up the <a href="Infrastructure" title="Infrastructure">infrastructure</a> of a human society. Built structures are broadly divided by their varying design approaches and standards, into <a href="Structural_engineering#Specializations" title="Structural engineering">categories</a> including building structures, <a href="Architectural_structure" class="mw-redirect" title="Architectural structure">architectural structures</a>, civil engineering structures and mechanical structures.

The effects of loads on physical structures are determined through <a href="Structural_analysis" title="Structural analysis">structural analysis</a>, which is one of the tasks of <a href="Structural_engineering" title="Structural engineering">structural engineering</a>. The <a href="Structural_engineering#Structural_elements" title="Structural engineering">structural elements</a> can be classified as one-dimensional (<a href="Rope" title="Rope">ropes</a>, <a href="Strut" title="Strut">struts</a>, <a href="Beam_(structure)" title="Beam (structure)">beams</a>, <a href="Arch" title="Arch">arches</a>), two-dimensional (<a href="Membrane" title="Membrane">membranes</a>, plates, <a href="Concrete_slab" title="Concrete slab">slab</a>, <a href="Shell_(structure)" title="Shell (structure)">shells</a>, <a href="Vault_(architecture)" title="Vault (architecture)">vaults</a>), or three-dimensional (solid masses).<a href="#cite_note-Carpinter-2">[2]</a>: 2 Three-dimensional elements were the main option available to early structures such as <a href="Chichen_Itza" title="Chichen Itza">Chichen Itza</a>. A one-dimensional element has one dimension much larger than the other two, so the other dimensions can be neglected in calculations; however, the ratio of the smaller dimensions and the composition can determine the <a href="Flexural_rigidity" title="Flexural rigidity">flexural</a> and <a href="Compressive_strength" title="Compressive strength">compressive</a> stiffness of the element. Two-dimensional elements with a thin third dimension have little of either but can resist biaxial traction.<a href="#cite_note-Carpinter-2">[2]</a>: 2–3

The structure elements are combined in structural systems. The majority of everyday load-bearing structures are section-active structures like frames, which are primarily composed of one-dimensional (bending) structures. Other types are Vector-active structures such as <a href="Truss" title="Truss">trusses</a>, surface-active structures such as shells and folded plates, form-active structures such as cable or membrane structures, and hybrid structures.<a href="#cite_note-3">[3]</a>: 134–136

Load-bearing biological structures such as bones, teeth, shells, and tendons derive their strength from a multilevel hierarchy of structures employing biominerals and <a href="Protein" title="Protein">proteins</a>, at the bottom of which are <a href="Collagen" title="Collagen">collagen fibrils</a>.<a href="#cite_note-4">[4]</a>

<div class="mw-heading mw-heading2"><h2 id="Biological">Biological</h2></div>

In <a href="Biology" title="Biology">biology</a>, one of the properties of <a href="Life" title="Life">life</a> is its highly ordered structure,<a href="#cite_note-urry2017a-5">[5]</a> which can be observed at <a href="Biological_organisation" title="Biological organisation">multiple levels</a> such as in <a href="Cell_(biology)" title="Cell (biology)">cells</a>, <a href="Tissue_(biology)" title="Tissue (biology)">tissues</a>, <a href="Organ_(anatomy)" class="mw-redirect" title="Organ (anatomy)">organs</a>, and <a href="Organism" title="Organism">organisms</a>.

In another context, structure can also observed in <a href="Macromolecule" title="Macromolecule">macromolecules</a>, particularly <a href="Protein" title="Protein">proteins</a> and <a href="Nucleic_acid" title="Nucleic acid">nucleic acids</a>.<a href="#cite_note-banaszak2000-6">[6]</a> The function of these molecules is determined by their shape as well as their composition, and their structure has multiple levels. <a href="Protein_structure" title="Protein structure">Protein structure</a> has a four-level hierarchy. The <a href="Protein_primary_structure" title="Protein primary structure">primary structure</a> is the sequence of <a href="Amino_acid" title="Amino acid">amino acids</a> that make it up. It has a <a href="Peptide" title="Peptide">peptide</a> backbone made up of a repeated sequence of a nitrogen and two carbon atoms. The <a href="Protein_secondary_structure" title="Protein secondary structure">secondary structure</a> consists of repeated patterns determined by <a href="Hydrogen_bonding" class="mw-redirect" title="Hydrogen bonding">hydrogen bonding</a>. The two basic types are the <a href="Alpha_helix" title="Alpha helix">α-helix</a> and the <a href="Beta_sheet" title="Beta sheet">β-pleated sheet</a>. The <a href="Protein_tertiary_structure" title="Protein tertiary structure">tertiary structure</a> is a back and forth bending of the polypeptide chain, and the <a href="Protein_quaternary_structure" title="Protein quaternary structure">quaternary structure</a> is the way that tertiary units come together and interact.<a href="#cite_note-7">[7]</a> <a href="Structural_biology" title="Structural biology">Structural biology</a> is concerned with <a href="Biomolecular_structure" title="Biomolecular structure">biomolecular structure</a> of macromolecules.<a href="#cite_note-banaszak2000-6">[6]</a>

<div class="mw-heading mw-heading2"><h2 id="Chemical">Chemical</h2></div>

<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Chemical_structure" title="Chemical structure">Chemical structure</a></div>

Chemical structure refers to both molecular geometry and electronic structure. The structure can be represented by a variety of diagrams called <a href="Structural_formula" title="Structural formula">structural formulas</a>. <a href="Lewis_structure" title="Lewis structure">Lewis structures</a> use a dot notation to represent the <a href="Valence_electron" title="Valence electron">valence electrons</a> for an atom; these are the electrons that determine the role of the atom in chemical reactions.<a href="#cite_note-8">[8]</a>: 71–72 Bonds between atoms can be represented by lines with one line for each pair of electrons that is shared. In a simplified version of such a diagram, called a <a href="Skeletal_formula" title="Skeletal formula">skeletal formula</a>, only carbon-carbon bonds and functional groups are shown.<a href="#cite_note-9">[9]</a>

Atoms in a crystal have a <a href="Crystal_structure" title="Crystal structure">structure</a> that involves repetition of a basic unit called a unit cell. The atoms can be modeled as points on a <a href="Bravais_lattice" title="Bravais lattice">lattice</a>, and one can explore the effect of <a href="Symmetry" title="Symmetry">symmetry</a> operations that include rotations about a point, reflections about a symmetry planes, and <a href="Translation_(geometry)" title="Translation (geometry)">translations</a> (movements of all the points by the same amount). Each crystal has a finite group, called the <a href="Space_group" title="Space group">space group</a>, of such operations that map it onto itself; there are 230 possible space groups.<a href="#cite_note-Ashcroft-10">[10]</a>: 125–126 By <a href="Neumann's_law" title="Neumann's law">Neumann's law</a>, the symmetry of a crystal determines what physical properties, including <a href="Piezoelectricity" title="Piezoelectricity">piezoelectricity</a> and <a href="Ferromagnetism" title="Ferromagnetism">ferromagnetism</a>, the crystal can have.<a href="#cite_note-11">[11]</a>: 34–36, 91–92, 168–169

<div class="mw-heading mw-heading2"><h2 id="Mathematical">Mathematical</h2></div>

<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Mathematical_structure" title="Mathematical structure">Mathematical structure</a></div>

<div class="mw-heading mw-heading2"><h2 id="Musical">Musical</h2></div>

<div role="note" class="hatnote navigation-not-searchable">See also: <a href="Musical_form" title="Musical form">Musical form</a></div>

A large part of <a href="Numerical_analysis" title="Numerical analysis">numerical analysis</a> involves identifying and interpreting the structure of musical works. Structure can be found at the level of part of a work, the entire work, or a group of works.<a href="#cite_note-analysis-12">[12]</a> Elements of music such as <a href="Pitch_(music)" title="Pitch (music)">pitch</a>, <a href="Duration_(music)" title="Duration (music)">duration</a> and <a href="Timbre" title="Timbre">timbre</a> combine into small elements like <a href="Motif_(music)" title="Motif (music)">motifs</a> and <a href="Phrase_(music)" title="Phrase (music)">phrases</a>, and these in turn combine in larger structures. Not all music (for example, that of <a href="John_Cage" title="John Cage">John Cage</a>) has a <a href="Hierarchical_organization" title="Hierarchical organization">hierarchical organization</a>, but hierarchy makes it easier for a listener to understand and remember the music.<a href="#cite_note-Meyer-13">[13]</a>: 80

In analogy to <a href="Linguistics" title="Linguistics">linguistic</a> terminology, motifs and phrases can be combined to make complete musical ideas such as <a href="Sentence_(music)" title="Sentence (music)">sentences</a> and <a href="Phrase_(music)" title="Phrase (music)">phrases</a>.<a href="#cite_note-sentence-14">[14]</a><a href="#cite_note-phrase-15">[15]</a> A larger form is known as the <a href="Period_(music)" title="Period (music)">period</a>. One such form that was widely used between 1600 and 1900 has two phrases, an antecedent and a consequent, with a half <a href="Cadence_(music)" class="mw-redirect" title="Cadence (music)">cadence</a> in the middle and a full cadence at the end providing punctuation.<a href="#cite_note-Stein-16">[16]</a>: 38–39 On a larger scale are single-movement forms such as the <a href="Sonata_form" title="Sonata form">sonata form</a> and the <a href="Counterpoint" title="Counterpoint">contrapuntal form</a>, and multi-movement forms such as the <a href="Symphony" title="Symphony">symphony</a>.<a href="#cite_note-Meyer-13">[13]</a>

<div class="mw-heading mw-heading2"><h2 id="Social">Social</h2></div>

<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Social_structure" title="Social structure">Social structure</a></div>

A social structure is a pattern of relationships. They are social <a href="Organization" title="Organization">organizations</a> of individuals in various life situations. Structures are applicable to people in how a society is as a system organized by a characteristic pattern of relationships. This is known as the social organization of the group.<a href="#cite_note-Lopez-17">[17]</a>: 3 Sociologists have studied the changing structure of these groups. <a href="Structure_and_agency" title="Structure and agency">Structure and agency</a> are two confronted theories about human behaviour. The debate surrounding the influence of structure and agency on human thought is one of the central issues in sociology. In this context, agency refers to the individual human capacity to act independently and make free choices. Structure here refers to factors such as <a href="Social_class" title="Social class">social class</a>, <a href="Religion" title="Religion">religion</a>, <a href="Gender" title="Gender">gender</a>, <a href="Ethnic_group" class="mw-redirect" title="Ethnic group">ethnicity</a>, customs, etc. that seem to limit or influence individual opportunities.

<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Data_structure" title="Data structure">Data structure</a></div>

In <a href="Computer_science" title="Computer science">computer science</a>, a data structure is a way of organizing information in a <a href="Computer" title="Computer">computer</a> so that it can be used efficiently.<a href="#cite_note-18">[18]</a> Data structures are built out of two basic types: An <a href="Array_data_structure" class="mw-redirect" title="Array data structure">array</a> has an index that can be used for immediate access to any data item (some <a href="Programming_language" title="Programming language">programming languages</a> require array size to be <a href="Initialization_(programming)" title="Initialization (programming)">initialized</a>). A <a href="Linked_list" title="Linked list">linked list</a> can be reorganized, grown or shrunk, but its elements must be accessed with a <a href="Reference_(computer_science)" title="Reference (computer science)">pointer</a> that links them together in a particular order.<a href="#cite_note-19">[19]</a>: 156 Out of these any number of other data structures can be created such as <a href="Stack_(abstract_data_type)" title="Stack (abstract data type)">stacks</a>, <a href="Queue_(abstract_data_type)" title="Queue (abstract data type)">queues</a>, <a href="Tree_(data_structure)" class="mw-redirect" title="Tree (data structure)">trees</a> and <a href="Hash_table" title="Hash table">hash tables</a>.<a href="#cite_note-20">[20]</a><a href="#cite_note-21">[21]</a>

In solving a problem, a data structure is generally an integral part of the <a href="Algorithm" title="Algorithm">algorithm</a>.<a href="#cite_note-Skiena-22">[22]</a>: 5 In modern programming style, algorithms and data structures are <a href="Encapsulation_(computer_programming)" title="Encapsulation (computer programming)">encapsulated</a> together in an <a href="Abstract_data_type" title="Abstract data type">abstract data type</a>.<a href="#cite_note-Skiena-22">[22]</a>: ix

<div class="mw-heading mw-heading2"><h2 id="Software">Software</h2></div>

<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Software_architecture" title="Software architecture">Software architecture</a></div>

Software architecture is the specific choices made between possible alternatives within a framework. For example, a framework might require a database and the architecture would specify the type and manufacturer of the database. The <a href="Structure_chart" title="Structure chart">structure</a> of software is the way in which it is partitioned into interrelated components. A key structural issue is minimizing dependencies between these components. This makes it possible to change one component without requiring changes in others.<a href="#cite_note-23">[23]</a>: 3 The purpose of structure is to <a href="Program_optimization" title="Program optimization">optimise</a> for (brevity, readability, traceability, isolation and encapsulation, maintainability, extensibility, performance and efficiency), examples being: <a href="Computer_language" title="Computer language">language choice</a>, <a href="Indentation_style" title="Indentation style">code</a>, <a href="API" title="API">functions</a>, <a href="Class_browser" title="Class browser">libraries</a>, <a href="Makefile" class="mw-redirect" title="Makefile">builds</a>, <a href="Package_manager" title="Package manager">system evolution</a>, or diagrams for <a href="Control_structure_diagram" title="Control structure diagram">flow logic</a> and <a href="Nassi%E2%80%93Shneiderman_diagram" title="Nassi–Shneiderman diagram">design</a>.<a href="#cite_note-24">[24]</a> Structural elements reflect the requirements of the application: for example, if the system requires a high fault tolerance, then a redundant structure is needed so that if a component fails it has backups.<a href="#cite_note-25">[25]</a> A high redundancy is an essential part of the design of several systems in the <a href="Space_Shuttle" title="Space Shuttle">Space Shuttle</a>.<a href="#cite_note-26">[26]</a>

<div class="mw-heading mw-heading2"><h2 id="Logical">Logical</h2></div>

As a branch of philosophy, <a href="Logic" title="Logic">logic</a> is concerned with distinguishing good arguments from poor ones. A chief concern is with the structure of arguments.<a href="#cite_note-27">[27]</a> An argument consists of one or more <a href="Premise" title="Premise">premises</a> from which a conclusion is <a href="Inference" title="Inference">inferred</a>.<a href="#cite_note-Kemerling-28">[28]</a> The steps in this inference can be expressed in a formal way and their structure analyzed. Two basic types of inference are <a href="Deductive_reasoning" title="Deductive reasoning">deduction</a> and <a href="Inductive_reasoning" title="Inductive reasoning">induction</a>. In a <a href="Validity_(logic)" title="Validity (logic)">valid</a> deduction, the conclusion necessarily follows from the premises, regardless of whether they are true or not. An invalid deduction contains some error in the analysis. An inductive argument claims that if the premises are true, the conclusion is likely.<a href="#cite_note-Kemerling-28">[28]</a>

<ul><li><a href="Abstract_structure" title="Abstract structure">Abstract structure</a></li>

<li><a href="Mathematical_structure" title="Mathematical structure">Mathematical structure</a></li>

<li><a href="Structural_geology" title="Structural geology">Structural geology</a></li>

<li><a href="Structure_(mathematical_logic)" title="Structure (mathematical logic)">Structure (mathematical logic)</a></li>

<li><a href="Structuralism_(philosophy_of_science)" title="Structuralism (philosophy of science)">Structuralism (philosophy of science)</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

/* start https://en.wikipedia.org/ */

.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}

/* end https://en.wikipedia.org/ */

</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;">

/* start https://en.wikipedia.org/ */

.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("./mw/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("./mw/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("./mw/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("./mw/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}

/* end https://en.wikipedia.org/ */

</style><cite class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="http://www.oed.com/view/Entry/191895?rskey=pTgPk1&result=1">"structure, n."</a>. Oxford English Dictionary (Online ed.). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240614043723/https://www.oed.com/dictionary/structure_n">Archived</a> from the original on 14 June 2024. Retrieved 1 October 2015.</cite>

</li>

<li id="cite_note-Carpinter-2">^ <a href="#cite_ref-Carpinter_2-0">a</a> <a href="#cite_ref-Carpinter_2-1">b</a> <cite id="CITEREFCarpinteri2002" class="citation book cs1">Carpinteri, Alberto (2002). Structural Mechanics: A unified approach. CRC Press. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780203474952</bdi>.</cite>

</li>

<li id="cite_note-3"><a href="#cite_ref-3">^</a> <cite id="CITEREFKnippersCremersGablerLienhard2011" class="citation book cs1">Knippers, Jan; Cremers, Jan; Gabler, Markus; Lienhard, Julian (2011). Construction manual for polymers + membranes : materials, semi-finished products, form-finding design (Engl. transl. of the 1. German ed.). München: Institut für internationale Architektur-Dokumentation. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9783034614702</bdi>.</cite>

</li>

<li id="cite_note-4"><a href="#cite_ref-4">^</a> <cite id="CITEREFZhangZhangGao2010" class="citation journal cs1">Zhang, Z.; Zhang, Y.-W.; Gao, H. (1 September 2010). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3025673">"On optimal hierarchy of load-bearing biological materials"</a>. Proceedings of the Royal Society B: Biological Sciences. 278 (1705): 519–525. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frspb.2010.1093">10.1098/rspb.2010.1093</a>. <a href="PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3025673">3025673</a>. <a href="PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20810437">20810437</a>.</cite>

</li>

<li id="cite_note-urry2017a-5">^ <a href="#cite_ref-urry2017a_5-0">a</a> <a href="#cite_ref-urry2017a_5-1">b</a> <cite id="CITEREFUrryCainWassermanMinorsky2017" class="citation book cs1">Urry, Lisa; Cain, Michael; Wasserman, Steven; Minorsky, Peter; Reece, Jane (2017). "Evolution, the themes of biology, and scientific inquiry". Campbell Biology (11th ed.). New York: Pearson. pp. 2–26. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>978-0134093413</bdi>.</cite>

</li>

<li id="cite_note-banaszak2000-6">^ <a href="#cite_ref-banaszak2000_6-0">a</a> <a href="#cite_ref-banaszak2000_6-1">b</a> <cite id="CITEREFBanaszak2000" class="citation book cs1">Banaszak, Leonard J. (2000). Foundations of Structural Biology. Burlington: Elsevier. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780080521848</bdi>.</cite>

</li>

<li id="cite_note-7"><a href="#cite_ref-7">^</a> <cite id="CITEREFPurvesSadavaOriansH._Craig2003" class="citation book cs1">Purves, William K.; Sadava, David E.; Orians, Gordon H.; H. Craig, Heller (2003). <a rel="nofollow" class="external text" href="https://archive.org/details/lifesciencebiolo00purv_787">Life, the science of biology</a> (7th ed.). Sunderland, Mass.: Sinauer Associates. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/lifesciencebiolo00purv_787/page/n43">41</a>–44. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780716798569</bdi>.</cite>

</li>

<li id="cite_note-8"><a href="#cite_ref-8">^</a> <cite id="CITEREFDeKockGray1989" class="citation book cs1">DeKock, Roger L.; Gray, Harry B. (1989). <a rel="nofollow" class="external text" href="https://archive.org/details/isbn_9780935702613">Chemical structure and bonding</a> (2nd ed.). Mill Valley, Calif.: University Science Books. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780935702613</bdi>.</cite>

</li>

<li id="cite_note-9"><a href="#cite_ref-9">^</a> <cite id="CITEREFHillHolman2000" class="citation book cs1">Hill, Graham C.; Holman, John S. (2000). Chemistry in context (5th ed.). Walton-on-Thames: Nelson. p. 391. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780174482765</bdi>.</cite>

</li>

<li id="cite_note-Ashcroft-10"><a href="#cite_ref-Ashcroft_10-0">^</a> <cite id="CITEREFAshcroftMermin1977" class="citation book cs1">Ashcroft, Neil W.; Mermin, N. David (1977). <a rel="nofollow" class="external text" href="https://archive.org/details/solidstatephysic00ashc">Solid state physics</a> (27. repr. ed.). New York: Holt, Rinehart and Winston. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780030839931</bdi>.</cite>

</li>

<li id="cite_note-11"><a href="#cite_ref-11">^</a> <cite id="CITEREFNewnham2005" class="citation book cs1">Newnham, Robert E. (2005). Properties of materials anisotropy, symmetry, structure. Oxford: Oxford University Press. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780191523403</bdi>.</cite>

</li>

<li id="cite_note-analysis-12"><a href="#cite_ref-analysis_12-0">^</a> <cite id="CITEREFBentPople" class="citation encyclopaedia cs1">Bent, Ian D.; Pople, Anthony. <a rel="nofollow" class="external text" href="https://www.oxfordmusiconline.com/subscriber/article/grove/music/41862">"Analysis"</a>. Grove Music Online. Oxford Music Online. Oxford University Press. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240614043727/https://www.oxfordmusiconline.com/grovemusic/display/10.1093/gmo/9781561592630.001.0001/omo-9781561592630-e-0000041862">Archived</a> from the original on June 14, 2024. Retrieved October 5, 2015.</cite>

</li>

<li id="cite_note-Meyer-13">^ <a href="#cite_ref-Meyer_13-0">a</a> <a href="#cite_ref-Meyer_13-1">b</a> <cite id="CITEREFMeyer1973" class="citation book cs1">Meyer, Leonard B. (1973). Explaining music : essays and explorations. Berkeley: Univ. of California Press. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780520022164</bdi>.</cite>

</li>

<li id="cite_note-sentence-14"><a href="#cite_ref-sentence_14-0">^</a> <cite class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="https://www.oxfordmusiconline.com/subscriber/article/grove/music/25423">"Sentence"</a>. Grove Music Online. Oxford Music Online. Oxford University Press. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240614043719/https://www.oxfordmusiconline.com/grovemusic/display/10.1093/gmo/9781561592630.001.0001/omo-9781561592630-e-0000025423">Archived</a> from the original on June 14, 2024. Retrieved October 5, 2015.</cite>

</li>

<li id="cite_note-phrase-15"><a href="#cite_ref-phrase_15-0">^</a> <cite class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="https://www.oxfordmusiconline.com/subscriber/article/grove/music/21599">"Phrase"</a>. Grove Music Online. Oxford Music Online. Oxford University Press. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240614043720/https://www.oxfordmusiconline.com/grovemusic/display/10.1093/gmo/9781561592630.001.0001/omo-9781561592630-e-0000021599">Archived</a> from the original on June 14, 2024. Retrieved October 5, 2015.</cite>

</li>

<li id="cite_note-Stein-16"><a href="#cite_ref-Stein_16-0">^</a> <cite id="CITEREFStein1979" class="citation book cs1">Stein, Leon (1979). Anthology of Musical Forms: Structure & Style (Expanded Edition): The Study and Analysis of Musical Forms. Alfred Music. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9781457400940</bdi>.</cite>

</li>

<li id="cite_note-Lopez-17"><a href="#cite_ref-Lopez_17-0">^</a> <cite id="CITEREFLopezScott2000" class="citation book cs1">Lopez, J.; Scott, J. (2000). Social Structure. Buckingham and Philadelphia: Open University Press. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780335204960</bdi>. <a href="OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/43708597">43708597</a>.</cite>

</li>

<li id="cite_note-18"><a href="#cite_ref-18">^</a> <cite id="CITEREFBlack2004" class="citation encyclopaedia cs1">Black, Paul E. (15 December 2004). <a rel="nofollow" class="external text" href="http://xlinux.nist.gov/dads/HTML/datastructur.html">"data structure"</a>. In Pieterse, Vreda; Black, Paul E. (eds.). <a href="Dictionary_of_Algorithms_and_Data_Structures" class="mw-redirect" title="Dictionary of Algorithms and Data Structures">Dictionary of Algorithms and Data Structures</a> (Online ed.). <a href="National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">National Institute of Standards and Technology</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170810051100/https://xlinux.nist.gov/dads/HTML/datastructur.html">Archived</a> from the original on 10 August 2017. Retrieved 1 October 2015.</cite>

</li>

<li id="cite_note-19"><a href="#cite_ref-19">^</a> <cite id="CITEREFSedgewickWayne2011" class="citation book cs1">Sedgewick, Robert; Wayne, Kevin (2011). Algorithms (4th ed.). Addison-Wesley Professional. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780132762564</bdi>.</cite>

</li>

<li id="cite_note-20"><a href="#cite_ref-20">^</a> <cite id="CITEREFCormenLeisersonRivestStein2009" class="citation book cs1">Cormen, Thomas H.; Leiserson, Charles E.; Rivest, Ronald L.; Stein, Clifford (2009). "Data structures". <a rel="nofollow" class="external text" href="https://archive.org/details/introductiontoal00corm_805">Introduction to algorithms</a> (3rd ed.). Cambridge, Massachusetts: MIT Press. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/introductiontoal00corm_805/page/n249">229</a>–339. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>978-0262033848</bdi>.</cite>

</li>

<li id="cite_note-21"><a href="#cite_ref-21">^</a> <cite id="CITEREFMehta2005" class="citation book cs1">Mehta, Dinesh P. (2005). "Basic structures". In Mehta, Dinesh P.; Sahni, Sartaj (eds.). Handbook of data structures and applications. Boca Raton, Fla.: Chapman & Hall/CRC Computer and Information Science Series. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9781420035179</bdi>.</cite>

</li>

<li id="cite_note-Skiena-22">^ <a href="#cite_ref-Skiena_22-0">a</a> <a href="#cite_ref-Skiena_22-1">b</a> <cite id="CITEREFSkiena2008" class="citation book cs1">Skiena, Steven S. (2008). "Data structures". <a rel="nofollow" class="external text" href="https://archive.org/details/algorithmdesignm00skie_772">The algorithm design manual</a> (2nd ed.). London: Springer. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/algorithmdesignm00skie_772/page/n377">366</a>–392. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9781848000704</bdi>.</cite>

</li>

<li id="cite_note-23"><a href="#cite_ref-23">^</a> <cite id="CITEREFGorton2011" class="citation book cs1">Gorton, Ian (2011). Essential software architecture (2nd ed.). Berlin: Springer. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9783642191763</bdi>.</cite>

</li>

<li id="cite_note-24"><a href="#cite_ref-24">^</a> <cite id="CITEREFDiehl2007" class="citation book cs1">Diehl, Stephan (2007). <a rel="nofollow" class="external text" href="https://archive.org/details/softwarevisualiz00dieh_179">Software visualization : visualizing the structure, behaviour, and evolution of software ; with 5 tables</a>. Berlin: Springer. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/softwarevisualiz00dieh_179/page/n45">38</a>–47. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>978-3540465041</bdi>.</cite>

</li>

<li id="cite_note-25"><a href="#cite_ref-25">^</a> <cite id="CITEREFBernardiMerseguerPetriu2013" class="citation book cs1">Bernardi, Simona; Merseguer, José; <a href="Dorina_Petriu" title="Dorina Petriu">Petriu, Dorina Corina</a> (2013). Model-Driven Dependability Assessment of Software Systems. Berlin, Heidelberg: Springer Berlin Heidelberg. pp. 46–47. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9783642395123</bdi>.</cite>

</li>

<li id="cite_note-26"><a href="#cite_ref-26">^</a> <cite id="CITEREFTomayko1988" class="citation web cs1">Tomayko, James E. (March 1988). <a rel="nofollow" class="external text" href="https://history.nasa.gov/computers/Ch4-4.html">"Computers in the Space Shuttle Avionics System"</a>. Computers in Spaceflight: The NASA Experience. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231009121408/https://history.nasa.gov/computers/Ch4-4.html">Archived</a> from the original on 9 October 2023. Retrieved 2 October 2015.</cite>

</li>

<li id="cite_note-27"><a href="#cite_ref-27">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://philosophy.lander.edu/logic/structure.html">"The Structure of Arguments"</a>. Philosophy 103: Introduction to Logic. philosophy.lander.edu. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231009121501/https://philosophy.lander.edu/logic/structure.html">Archived</a> from the original on 9 October 2023. Retrieved 4 October 2015.</cite>

</li>

<li id="cite_note-Kemerling-28">^ <a href="#cite_ref-Kemerling_28-0">a</a> <a href="#cite_ref-Kemerling_28-1">b</a> <cite id="CITEREFKemerling" class="citation web cs1">Kemerling, Garth. <a rel="nofollow" class="external text" href="http://www.philosophypages.com/lg/e01.htm">"Arguments and Inference"</a>. The Philosophy Pages. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230604225936/http://philosophypages.com/lg/e01.htm">Archived</a> from the original on 4 June 2023. Retrieved 4 October 2015.</cite>

</li>

</ol></div>

<div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2></div>

/* start https://en.wikipedia.org/ */

.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}@media screen{.mw-parser-output .refbegin{font-size:90%}}

/* end https://en.wikipedia.org/ */

</style><div class="refbegin" style="">

<ul><li><cite id="CITEREFCarpiBrebbia2010" class="citation book cs1">Carpi, A.; Brebbia, C.A. (2010). Design & nature V : comparing design in nature with science and engineering. Southampton: WIT. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9781845644543</bdi>.</cite></li>

<li><cite id="CITEREFPullan2000" class="citation book cs1"><a href="Wendy_Pullan_(academic)" title="Wendy Pullan (academic)">Pullan, Wendy</a> (2000). Structure. Cambridge: Cambridge University Press. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>0-521-78258-9</bdi>.</cite></li>

<li><cite id="CITEREFRottenbergWinchell2012" class="citation book cs1">Rottenberg, Annette T.; Winchell, Donna Haisty (2012). The structure of argument (7th ed.). Boston: Bedford/St. Martins. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9780312650698</bdi>.</cite></li>

<li><cite id="CITEREFSchlesingerKeren-PortnoyParush2001" class="citation book cs1">Schlesinger, Izchak M.; Keren-Portnoy, Tamar; Parush, Tamar (2001). The structure of arguments. Amsterdam: J. Benjamins. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9789027223593</bdi>.</cite></li></ul>

</div>

<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><cite id="CITEREFWüthrich" class="citation web cs1">Wüthrich, Christian. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160304214729/http://philosophyfaculty.ucsd.edu/faculty/wuthrich/teaching/2010_246/246Syllabus_2010.pdf">"Structure in philosophy, mathematics and physics (Phil 246, Spring 2010)"</a> (PDF). University of California San Diego. Archived from <a rel="nofollow" class="external text" href="http://philosophyfaculty.ucsd.edu/faculty/wuthrich/teaching/2010_246/246Syllabus_2010.pdf">the original</a> (PDF) on 4 March 2016. Retrieved 1 October 2015.</cite> (syllabus and reading list)</li></ul>

/* start https://en.wikipedia.org/ */

.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}

/* end https://en.wikipedia.org/ */

</style><style data-mw-deduplicate="TemplateStyles:r1236075235">

/* start https://en.wikipedia.org/ */

.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}

/* end https://en.wikipedia.org/ */

</style></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q6671777#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata530" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q6671777#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata530" style="font-size:114%;margin:0 4em">Authority control databases </div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4058125-1">Germany</a></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><a rel="nofollow" class="external text" href="https://lux.collections.yale.edu/view/concept/5267c385-309f-490f-8e7e-e599bd1f2044">Yale LUX</a></li></ul></div></td></tr></tbody></table></div></div><div><div class="zim-footer">

This article is issued from <a class="external text" title="Last edited on 2025-06-19" href="https://en.wikipedia.org/wiki/?title=Structure&oldid=1296349390">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.

</div>

</div></div>

</div>

</main>

</div>

</body></html>