Single Idea 10111

[catalogued under 5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle]

Full Idea

A hallmark of our realist stance towards the natural world is that we are prepared to assert the Law of Excluded Middle for all statements about it. For all statements S, either S is true, or not-S is true.

Gist of Idea

Asserting Excluded Middle is a hallmark of realism about the natural world


A.George / D.J.Velleman (Philosophies of Mathematics [2002], Ch.4)

Book Reference

George,A/Velleman D.J.: 'Philosophies of Mathematics' [Blackwell 2002], p.91

A Reaction

Personally I firmly subscribe to realism, so I suppose I must subscribe to Excluded Middle. ...Provided the statement is properly formulated. Or does liking excluded middle lead me to realism?

Related Idea

Idea 9024 Excluded middle has three different definitions [Quine]