lean2/tests/lean/run/tactic25.lean
Leonardo de Moura 754276a660 feat(frontends/lean): round parenthesis for [tactic1 | tactic2]
This commit also replaces the notation for divides
     `(` a `|` b `)`
with
      a `∣` b

The character `∣` is entered by typing \|

closes #516
2015-04-06 09:24:09 -07:00

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import logic
open tactic
definition my_tac1 := apply @eq.refl
definition my_tac2 := repeat (apply @and.intro; assumption)
tactic_hint my_tac1
tactic_hint my_tac2
theorem T1 {A : Type.{2}} (a : A) : a = a
theorem T2 {a b c : Prop} (Ha : a) (Hb : b) (Hc : c) : a ∧ b ∧ c
definition my_tac3 := fixpoint (λ f, (apply @or.intro_left; f |
apply @or.intro_right; f |
assumption))
tactic_hint my_tac3
theorem T3 {a b c : Prop} (Hb : b) : a b c