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<title>Chen Chung Chang</title>

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</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">C. C. Chang</div></th></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data">1927<br><div style="display:inline" class="birthplace">Tianjin, China</div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">July 17, 2014 (aged 86 or 87)<br><div style="display:inline" class="deathplace">Santa Clarita, California</div></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><a href="Chang's_conjecture" title="Chang's conjecture">Chang's conjecture</a></td></tr><tr><td colspan="2" class="infobox-full-data"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="Mathematics" title="Mathematics">Mathematics</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="University_of_California%2C_Los_Angeles" title="University of California, Los Angeles">University of California, Los Angeles</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data"><a href="Alfred_Tarski" title="Alfred Tarski">Alfred Tarski</a></td></tr><tr style="display:none"><td colspan="2">

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<p><b>Chen Chung Chang</b> (<a href="Simplified_Chinese_characters" title="Simplified Chinese characters">Chinese</a>: <span lang="zh-Hans">张晨钟</span>) was a <a href="Mathematician" title="Mathematician">mathematician</a> who worked in <a href="Model_theory" title="Model theory">model theory</a>. He obtained his PhD from <a href="UC_Berkeley" class="mw-redirect" title="UC Berkeley">Berkeley</a> in 1955 on "Cardinal and Ordinal Factorization of Relation Types" under <a href="Alfred_Tarski" title="Alfred Tarski">Alfred Tarski</a>. He wrote the standard text <a href="#CITEREFChangKeisler1990">Chang & Keisler (1990)</a> on model theory. <a href="Chang's_conjecture" title="Chang's conjecture">Chang's conjecture</a> and <a href="Chang's_model" title="Chang's model">Chang's model</a> are named after him. He also proved the ordinal partition theorem (expressed in the <a href="Arrow_notation_(Ramsey_theory)" class="mw-redirect" title="Arrow notation (Ramsey theory)">arrow notation</a> for <a href="Ramsey_theory" title="Ramsey theory">Ramsey theory</a>) ω<sup>ω</sup>→(ω<sup>ω</sup>,3)<sup>2</sup>, originally a problem of <a href="Paul_Erd%C5%91s" title="Paul Erdős">Erdős</a> and <a href="Andr%C3%A1s_Hajnal" title="András Hajnal">Hajnal</a>. He also introduced <a href="MV-algebra" title="MV-algebra">MV-algebras</a> as models for <a href="%C5%81ukasiewicz_logic" title="Łukasiewicz logic">Łukasiewicz logic</a>. Chang was a professor at the mathematics department of the <a href="University_of_California%2C_Los_Angeles" title="University of California, Los Angeles">University of California, Los Angeles</a>.

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<div class="mw-heading mw-heading2"><h2 id="Selected_publications">Selected publications</h2></div>

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</style><cite id="CITEREFChangKeisler1966" class="citation cs2">Chang, Chen Chung; <a href="Howard_Jerome_Keisler" title="Howard Jerome Keisler">Keisler, H. Jerome</a> (1966), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=uTGdPSI5rI4C"><i>Continuous Model Theory</i></a>, Annals of Mathematical Studies, vol. 58, Princeton University Press, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>0691079293</bdi>; xii+165 pp.</cite><span class="cs1-maint citation-comment"><code class="cs1-code">{{citation}}</code>: CS1 maint: postscript (link)</span></li>

<li><cite id="CITEREFChangKeisler1990" class="citation cs2">Chang, Chen Chung; <a href="Howard_Jerome_Keisler" title="Howard Jerome Keisler">Keisler, H. Jerome</a> (1990), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=uiHq0EmaFp0C"><i>Model Theory</i></a>, Studies in Logic and the Foundations of Mathematics (3rd ed.), <a href="Elsevier" title="Elsevier">Elsevier</a>, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>978-0-444-88054-3</bdi></cite></li>

<li>C. C. Chang. Algebraic analysis of many-valued logics. Transactions of the American Mathematical Society, 88, 467–490, 1958, <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1090%2FS0002-9947-1958-0094302-9">10.1090/S0002-9947-1958-0094302-9</a></li></ul>

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