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Theorems · Definition · category theory

ComplexShape.prev

{ι : Type u_1} → ComplexShape ι → ι → ι

An arbitrary choice of index i such that Rel i j, if such exists. Returns j otherwise.

Defined in
Mathlib.Algebra.Homology.ComplexShape
Cited by
223 results in Mathlib
Foundations
Depth 12 from the axioms, rests on 49 definitions · uses propext, Classical.choice, Quot.sound

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Cited by272

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