Full Idea
I do not regard Bivalence, when applied to vague statements, as an intuitively compelling principle which we ought to try to preserve.
Gist of Idea
When faced with vague statements, Bivalence is not a compelling principle
Source
Ian Rumfitt (The Boundary Stones of Thought [2015], 8.7)
Book Reference
Rumfitt,Ian: 'The Boundary Stones of Thought' [OUP 2015], p.261
A Reaction
The point of Rumfitt's book is to defend classical logic despite failures of bivalence. He also cites undecidable concepts such as the Continuum Hypothesis.