∀ {goal : Lean.MVarId} {mvars : Std.HashSet Lean.MVarId} {goal_1 : Lean.MVarId} {mvars_1 : Std.HashSet Lean.MVarId},
  { goal := goal, mvars := mvars } = { goal := goal_1, mvars := mvars_1 } → goal = goal_1 ∧ mvars = mvars_1