Cohen's quotation does not directly point out some serious influences of mathematics. exist

Describe various geometric shapes, for example, we start with uncertain conditions.

Then, in logical rules, we prove that if something is true,

Other results must be followed. On the one hand, the clause is vague, that is,

"We never know what we are talking about." On the other hand, the result is that

That's for sure. As Gertrude Stein said, evidence is evidence.

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