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Constructive mathematics in the style of Bishop, including its semantics using realizabilty or topological methods.

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4 answers
5k views

How Would an Intuitionist Prove This?

My question concerns the proof of the following: Let $a,b,n \in \mathbb{N}$. If $n \neq 1$ and $n$ divides both $a$ and $b$, then $b$ is a composite number or $b$ divides $a$. My proof: Suppose $b$ …
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