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.
Example: It is Pythagoras' theorem that states the hypotenuse of any right angle triangle when squared is equal to the sum of its squared sides.
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a theorem that follows directly from another theorem or postulate, with little of no proof
the opposite of the original concept your learning.
Theorems are important statements that are proved.
If the angles are congruent, they will be less than 360 degrees.
The central limit theorem basically states that as the sample size gets large enough, the sampling distribution becomes more normal regardless of the population distribution.