∫ Утверждение Mathlib
_aux_Mathlib_AlgebraicTopology_SimplicialSet_Boundary___delab_app_Simplicial_term∂Δ[_]_1
Mathlib.AlgebraicTopology.SimplicialSet.Boundary
URI: https://scilib.ai/kg/mathlib#Simplicial._aux_Mathlib_AlgebraicTopology_SimplicialSet_Boundary___delab_app_Simplicial_term∂Δ[_]_1