VISIT proof_state_info3.lean
SYNC 11


theorem tst (a b c : Prop) : a → b → a ∧ b :=
begin
  info,
  intros [Ha, Hb],
  info,
  apply and.intro,
  apply Ha,
  apply Hb,
end
WAIT
REPLACE 7
  state,
SHOW
WAIT
INFO 8 17