grind_eq.lean:50:19-50:21: warning: declaration uses `sorry` grind_eq.lean:66:8-66:18: warning: declaration uses `sorry` grind_eq.lean:88:8-88:19: warning: declaration uses `sorry` [grind.assert] ¬Lean.Grind.nestedDecidable h₁ = Lean.Grind.nestedDecidable h₂ [grind.assert] p = q [grind.assert] ¬Lean.Grind.nestedDecidable h₁ ≍ Lean.Grind.nestedDecidable h₂ [grind.assert] p [grind.assert] ¬p [grind.assert] a₁ ≍ b₁ [grind.assert] a₂ ≍ b₂ [grind.assert] (a₁ = a₂) = ¬b₁ = b₂ [grind.assert] a₁ ≍ b₁ [grind.assert] a₂ ≍ b₂ [grind.assert] (a₁ = a₂) = ¬b₂ = b₁ [grind.assert] a₁ ≍ b₁ [grind.assert] a₂ ≍ b₂ [grind.assert] (a₁ = a₂) = ¬b₁ = b₂ [grind.assert] a₁ ≍ b₁ [grind.assert] a₂ ≍ b₂ [grind.assert] (a₁ = a₂) = ¬b₂ = b₁