more from Alfred Tarski

Single Idea 10048

[catalogued under 5. Theory of Logic / A. Overview of Logic / 4. Pure Logic]

Full Idea

No objective grounds are known to me which permit us to draw a sharp boundary between the two groups of terms, the logical and the non-logical.

Gist of Idea

There is no clear boundary between the logical and the non-logical

Source

Alfred Tarski (works [1936]), quoted by Alan Musgrave - Logicism Revisited 3

Book Reference

-: 'British Soc for the Philosophy of Science' [-], p.103


A Reaction

Musgrave is pointing out that this is bad news if you want to 'reduce' something like arithmetic to logic. 'Logic' is a vague object.