noun

proposition

A statement that can be true or false.

The proposition that all birds can fly is clearly false.

Etymology

The source idea is putting something forward. Logic specializes it to a claim put forward for consideration as either true or false.

More examples

  • A question is not a proposition because it asserts nothing.
  • These two propositions cannot both be true.
  • We test the proposition that warmer water dissolves sugar faster.

Forms

proposition · propositions

propositional adjective — Relating to statements with a truth value.

Similar words

statement
A broader term that need not emphasize truth or falsity.
assertion
Emphasizes presenting a statement as true, not merely considering it.