逆・裏・対偶

日本語英語意味
命題conditionalif p, then q
converseif q, then p
inverseif not p, then not q
対偶contrapositiveif not q, then not p

真理値表

命題がと対偶は真偽が一致する

REFERENCES:

  • https://www.chilimath.com/lessons/introduction-to-number-theory/converse-inverse-and-contrapositive-of-conditional-statement/