∫ Утверждение Mathlib
_aux_Mathlib_Tactic_FailIfNoProgress___elabRules_Mathlib_Tactic_failIfNoProgress_1
Mathlib.Tactic.FailIfNoProgress
URI: https://scilib.ai/kg/mathlib#Mathlib.Tactic._aux_Mathlib_Tactic_FailIfNoProgress___elabRules_Mathlib_Tactic_failIfNoProgress_1