KnowraClassical logicLinked fromLinked fromThe 34 pages that link to Classical logic, each with the reason it gives.All 34Broader topic 2Related 5Narrower topic 12Compared with 15ConsistencyRelated: The standard equivalence between inconsistency and deriving any sentence relies on classical reasoning.Mathematical logicRelated: It supplies the standard background logic for much of mathematical formalization.Proof by contradictionRelated: The usual form of the method relies on classical rules for negation and truth.Disjunction eliminationRelated: The rule is valid in classical logic, though it does not depend on classical principles.Philosophical logicRelated: Its principles provide the baseline that philosophical logicians examine and sometimes revise.