The book I’ve been studying for the last while says this:
In 1908 Brouwer, in a paper entitled ‘The untrustworthiness of the principles of logic’, challenged the belief that the rules of the classical logic, which have come down to us essentially from Aristotle (384-322 B.C.), have an absolute validity, ...


A friend of mine brought B. J. Miller’s “Ted” talk,
A friend wrote me this: