Porism
/ˈpɔːr.ɪz.əm/noun
A proposition in classical geometry that states what can be constructed or deduced from given conditions.
Did you know?In Greek mathematical tradition, a porism was a statement about what is possible or available, not just what is proven, which is why the word feels like a secret doorway between logic and power.
Etymological Timeline
Ancient Greek
Greek
πόρισμα (pórisma)
“A result, resource, or means of obtaining something; in mathematics, a derived proposition or corollary-like result.”
Late Greek
Greek
πόρισμός (porismós)
“A means of procuring or finding; a mathematical proposition concerning what follows from given conditions.”
Late Latin
Latin
porisma
“A geometrical proposition or corollary, borrowed from Greek mathematical writing.”
16th–17th Century
English
porisme / porism
“A mathematical proposition, especially one concerning conditions under which something is possible.”
Modern English
English
porism
“A proposition in geometry describing a condition that can be satisfied or a result that follows from given premises.”
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