contrapositive love


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A proposition derived by negating and permuting the terms of another, equivalent proposition; for example, All not-Y is not-X is the contrapositive of All X is Y.

from The Century Dictionary.

  • Of, pertaining to, or produced by contraposition: as, contrapositive propositions; contrapositive conversion.
  • noun In logic, a contrapositive proposition.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun logic the inverse of the converse of a given proposition


Sorry, no etymologies found.



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