Single Idea 15211

[catalogued under 6. Mathematics / C. Sources of Mathematics / 10. Constructivism / e. Psychologism]

Full Idea

The assumption that there is an exclusive dichotomy between the formal and the psychological is, in our view, an error of enormous consequence.

Gist of Idea

There is not an exclusive dichotomy between the formal and the logical

Source

Harré,R./Madden,E.H. (Causal Powers [1975], 1.I.A)

Book Reference

Harré,R/Madden,E.H.: 'Causal Powers: A Theory of Natural Necessity' [Blackwell 1975], p.2


A Reaction

I agree entirely with this, and am opposed to the Fregean view of the matter. The psychology is the bridge between the physical world and the logic. Frege had to be a platonist, so that the formalism could latch onto something.

Related Idea

Idea 11072 Logic is personal and variable, but it has a universal core [Hanna]