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Construction of the circle in UniMath
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-01-11 , DOI: 10.1016/j.jpaa.2021.106687 Marc Bezem , Ulrik Buchholtz , Daniel R. Grayson , Michael Shulman
中文翻译:
在UniMath中构建圆
更新日期:2021-01-22
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-01-11 , DOI: 10.1016/j.jpaa.2021.106687 Marc Bezem , Ulrik Buchholtz , Daniel R. Grayson , Michael Shulman
We show that the type of -torsors has the dependent universal property of the circle, which characterizes it up to a unique homotopy equivalence. The construction uses Voevodsky's Univalence Axiom and propositional truncation, yielding a stand-alone construction of the circle not using higher inductive types.
中文翻译:
在UniMath中构建圆
我们表明类型 的 -torsors具有圆的从属通用属性,该特性将其表征为唯一的同伦等效性。该构造使用了Voevodsky的Univalence公理和命题截断,从而产生了不使用更高归纳类型的圆的独立构造。