leftHomotopyRel_iff_rightHomotopyRel — Mathlib · SciLib

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leftHomotopyRel_iff_rightHomotopyRel

Mathlib.AlgebraicTopology.ModelCategory.Homotopy

URI: https://scilib.ai/kg/mathlib#HomotopicalAlgebra.leftHomotopyRel_iff_rightHomotopyRel

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