Theorems

thumb|The Pythagorean theorem has at least 370 known proofs.

In mathematics and logic, a corollary (, ; , ) is a proposition which can be readily deduced from a previous, already proven proposition. A corollary could be a proposition that is incidentally proved while proving another proposition; it might also be used more casually to refer to something which naturally or incidentally accompanies something else.

scientific theory rejected by modern mainstream scientific consensus

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result considered to be the most central and the important one in some field

class of theorems about possible Nash equilibrium payoff profiles in repeated games

an argument showing that classification is not really possible without some sort of bias

theorem of non-equilibrium thermodynamics

A gap between two individuals who have complementary sources to information