∀ {ctxI : Lean.Elab.ContextInfo} {tacI : Lean.Elab.TacticInfo} {mayFail : Bool} {ctxI_1 : Lean.Elab.ContextInfo}
  {tacI_1 : Lean.Elab.TacticInfo} {mayFail_1 : Bool},
  { ctxI := ctxI, tacI := tacI, mayFail := mayFail } = { ctxI := ctxI_1, tacI := tacI_1, mayFail := mayFail_1 } →
    ctxI = ctxI_1 ∧ tacI = tacI_1 ∧ mayFail = mayFail_1