Normalization theorems for the grind tactic.
theorem Lean.Grind.beq_eq_decide_eq {α : Type u_1} {x✝ : BEq α} [LawfulBEq α] [DecidableEq α] (a b : α) :
Helper theorems for the simproc Sym.Simp.simpNatRel.
Normalization theorems for the grind tactic.
Helper theorems for the simproc Sym.Simp.simpNatRel.