∫ Утверждение Mathlib
subsingleton_or_nontrivial_elim
Mathlib.Tactic.Nontriviality.Core
URI: https://scilib.ai/kg/mathlib#Mathlib.Tactic.Nontriviality.subsingleton_or_nontrivial_elim
∫ Утверждение Mathlib
Mathlib.Tactic.Nontriviality.Core
URI: https://scilib.ai/kg/mathlib#Mathlib.Tactic.Nontriviality.subsingleton_or_nontrivial_elim