direct proof 1
noundomain: thinking
EnWordnet [ver.5.0]
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EnglishDefinition
a way of showing the truth or falsehood of a given statement by a straightforward combination of established facts, usually axioms, existing lemmas and theorems, without making any further assumptions.
Examples
- 1.A proof by contraposition of the implication p → q is a direct proof of ¬q →¬p (the contrapositive of p → q ).
