Theorem SSet.horn₂₁.isPushout

Modification history

2025-12-05 16:31
Mathlib/AlgebraicTopology/SimplicialSet/HornColimits.lean
feat(AlgebraicTopology): horns in `Δ[2]` as pushouts (#31802) …
Added SSet.horn₂₁.isPushoutView on Github →