plural of theorem

(transitive) To formulate into a theorem.

(mathematics) A mathematical statement of some importance that has been proven to be true. Minor theorems are often called propositions. Theorems which are not very interesting in themselves but are an essential part of a bigger theorem's proof are called lemmas.

simple past tense and past participle of theorem

theorematic

(mathematics) A certain approximation theorem in complex analysis.

(graph theory) The theorem stating that every cubic bridgeless graph contains a perfect matching.

(mathematics) An important structural theorem in the theory of Banach spaces, essentially stating that every sufficiently high-dimensional normed vector space will have low-dimensional subspaces that are approximately Euclidean.

(statistics) A theorem relating to the distribution of the likelihood ratio.

A theorem stating that two connected graphs are isomorphic if and only if their line graphs are isomorphic, with a single exception: K₃, the complete graph on three vertices, and the complete bipartite graph K_(1,3), which are not isomorphic but both have K₃ as their line graph.