contraposition

English

Etymology

contra- +‎ position

Noun

contraposition (countable and uncountable, plural contrapositions)

1. (countable, logic) The statement of the form "if not Q then not P", given the statement "if P then Q".
2. Opposition; contrast.
   • 2012, Erwin W. Straus, ‎Maurice Natanson, ‎Henri Ey, Psychiatry and Philosophy (page 76)

     The expression “Allon” indicates the unique character of this relationship: that of being together in contraposition. I belong to the Allon, and yet detach myself from it.

Related terms

• contrapose
• contrapositive
• implication

Translations

logical statement

• Czech: obměna f
• (deprecated template usage) {{trans-mid}}
• French: contraposition (fr) f, contraposée (fr) f