Full Idea
Heyting (the intuitionist pupil of Brouwer) said that 'logic is dependent on mathematics', not the other way round.
Gist of Idea
Logic is dependent on mathematics, not the other way round
Source
report of Arend Heyting (Intuitionism: an Introduction [1956]) by Stewart Shapiro - Thinking About Mathematics 7.3
Book Reference
Shapiro,Stewart: 'Thinking About Mathematics' [OUP 2000], p.187
A Reaction
To me, this claim makes logicism sound much more plausible, as I don't see how mathematics could get beyond basic counting without a capacity for logical thought. Logic runs much deeper, psychologically and metaphysically.