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Definition of: porism
(pôr′iz·əm, pō′riz-) noun Math.
One of an ancient class of geometrical propositions intermediate between theorems and problems that asserted a relation between variables or affirmed the possibility of finding conditions under which a problem would become indeterminate. [<L porisma a corollary, a problem <Gk. <porizein carry, deduce <poros a way, a voyage]
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