identical proposition


noun Logic.

a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”

Nearby words

  1. idempotent,
  2. ident,
  3. identi-kit,
  4. identic,
  5. identical,
  6. identical rhyme,
  7. identical twin,
  8. identical twins,
  9. identically,
  10. identifiable

Origin of identical proposition

First recorded in 1635–45

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for identical proposition

identical proposition

noun

logic a necessary truth, esp a categorial identity, such as whatever is triangular has three sides
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012