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]