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Theorems · Definition · algebraic topology

SSet.opObjEquiv

{X : SSet} → {n : SimplexCategoryᵒᵖ} → X.op.obj n ≃ X.obj n

The type of n-simplices of X.op identify to type of n-simplices of X.

Defined in
Mathlib.AlgebraicTopology.SimplicialSet.Op
Cited by
26 results in Mathlib
Foundations
Depth 38 from the axioms · uses propext, Classical.choice, Quot.sound

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