Mechanized reasoning has proved effective in avoiding serious mistakes in software and hardware, and yet remains unpopular in the practice of mathematics. My thesis is aimed at making mechanization easier so that more mathematicians can benefit from this technology. Particularly, I experimented with higher-dimensional types, an extension of ordinary types with a hierarchy of stacked relations, and managed to mechanize many important results from classical homotopy theory in the proof assistant Agda. My work thus suggests higher-dimensional types may help mechanize mathematical concepts.

163 pages

Thesis Committee:
Robert Harper (Chair)
Jeremy Avigad (Mathematics/Philosophy)
Andrej Bauer (University of Ljubljana)
Ulrik Buchholtz (Philosophy)
Daniel R. Licata (Wesleyan University)
Frank Pfenning

Frank Pfenning, Head, Computer Science Department
Andrew W. Moore, Dean, School of Computer Science

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