lean2/tests/lean/tactic6.lean
Leonardo de Moura 048151487e feat(kernel): use Pi as forall/implication
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-08 00:38:39 -08:00

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(* import("tactic.lua") *)
theorem T (a b c : Bool): a → b /\ c → c /\ a /\ b := _.
conj_hyp
apply and::intro
(* Focus(Then(show_tac(), conj_tac(), show_tac(), assumption_tac()), 2) *)
exact
done
theorem T2 (a b c : Bool): a → b /\ c → c /\ a /\ b := _.
conj_hyp
apply and::intro
(* show_tac() *)
(* Focus(Then(show_tac(), conj_tac(), Focus(assumption_tac(), 1)), 2) *)
(* show_tac() *)
(* Focus(assumption_tac(), 1) *)
(* show_tac() *)
(* Focus(assumption_tac(), 1) *)
done