∀ (lctx : Lean.LocalContext) (stx output : Lean.Syntax) (lctx_1 : Lean.LocalContext) (stx_1 output_1 : Lean.Syntax),
  ({ lctx := lctx, stx := stx, output := output } = { lctx := lctx_1, stx := stx_1, output := output_1 }) =
    (lctx = lctx_1 ∧ stx = stx_1 ∧ output = output_1)