Homotopy Type Theory (HoTT) gives us a new foundation for mathematics. From it, we can naturally describe algebraic structures, topology, and even classical logic. This video is part of a series that gradually explains concepts in HoTT, one step at a time.
In this video we discuss the Σ-type.
Chapters:
0:00 - Introduction
0:45 - Demonstration of Σ-type
2:07 - Reconstructing the product type
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