theorem - an idea accepted as a demonstrable truthidea, thought
- the content of cognition; the main thing you are thinking about; "it
was not a good idea"; "the thought never entered my mind"Bayes' theorem
- (statistics) a theorem describing how the conditional probability of a
set of possible causes for a given observed event can be computed from
knowledge of the probability of each cause and the conditional
probability of the outcome of each cause