Mathspp Blog

A blog dedicated to mathematics and programming!

As of now, my blog is being migrated here. You can find all the old content over here.

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In this post we will talk about three different, all very common, ways of writing proofs: proofs by construction, by contrapositive and by contradiction.

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This post's problem is a really interesting problem I solved two times. The first time I solved it I failed to prove exactly how it works... then some years later I remembered the problem statement and was able to solve it properly. Let's see how you do!