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

6 votes

What is the status of irrational numbers within finitism/ultrafinitism?

Even while considering the universe to be finite, one can do mathematics symbolically as a game with a system of rules. If the game doesn't have enough pieces we just add new pieces, with new properti …
Steve L. Cowan's user avatar