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Brouwer’s Intuitionism and Construction

Jinhyeong Kim 1

1서울시립대학교

Accredited

ABSTRACT

This paper purposes to show that Brouwer’s intuitionism can be regarded as a philosophical account of the early constructivism, a trend exemplified by the works of Kronecker and Poincaré, and then to consider its implications on classical mathematics. For these, I first reconstruct Brouwer’s claim that mathematics is a mental activity. Next, I argue that the claim plays an important role in the development of constructivism. Thirdly, after showing that choice sequences define real numbers, I examine the argument that the choice sequence method leads to undermining of the classical notion of truth and may be regarded as an alternative way to the classical definition of real numbers. Finally, I argue that Wittgenstein’s objection to Brouwerian real number construction is not successful.

Citation status

* References for papers published after 2023 are currently being built.