Gaisi Takeuti

Gaisi Takeuti (竹内 外史 Takeuchi Gaishi, born January 25, 1926) is a Japanese mathematician, known for his work in proof theory.[1]

After graduating from Tokyo University, he went to Princeton to study under Kurt Gödel. He later became a professor at the University of Illinois at Urbana-Champaign. Takeuti was president (2003-2009) of the Kurt Gödel Society, having worked on the respected book Memoirs of a Proof Theorist: Godel and Other Logicians. His goal was to prove the consistency of the real numbers. To this end, Takeuti's conjecture speculates that a sequent formalisation of second-order logic has cut-elimination.[2] He is also known for his work on ordinal diagrams with Akiko Kino.

Publications

Notes

  1. Takeuti 2013.
  2. Takeuti 1953. An erratum to this article was published in the same journal (24:149–156, 1954).


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