lean2/tests/lean/tactic13.lean

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import Int.
(* import("tactic.lua") *)
variable f : Int -> Int -> Int
(*
refl_tac = apply_tac("refl")
congr_tac = apply_tac("congr")
symm_tac = apply_tac("symm")
trans_tac = apply_tac("trans")
auto = Repeat(OrElse(refl_tac, congr_tac, assumption_tac(), Then(symm_tac, assumption_tac(), now_tac())))
*)
exit -- Temporarily disable the following tests
theorem T1 (a b c : Int) (H1 : a = b) (H2 : a = c) : (f (f a a) b) = (f (f b c) a).
auto.
done.
theorem T2 (a b c : Int) (H1 : a = b) (H2 : a = c) : (f (f a c)) = (f (f b a)).
auto.
done.
print environment 2.