Full Idea
Is there even a loosely definable range of bodily behaviour that is characteristically exhibited by people when they believe, say, that there is no largest prime number?
Gist of Idea
What behaviour goes with mathematical beliefs?
Source
Jaegwon Kim (Philosophy of Mind [1996], p. 32)
Book Reference
Kim,Jaegwon: 'Philosophy of Mind' [Westview 1998], p.32
A Reaction
This is a highly persuasive argument against behaviourism. Very abstract and theoretical thoughts have no related behaviour, especially among non-mathematicians. I probably believe this idea about numbers, but I can't think what to do about it.