lean2/tests/lean/run/tactic25.lean

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import standard
using tactic
definition my_tac1 := apply @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 : Bool} (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 [or] my_tac3
theorem T3 {a b c : Bool} (Hb : b) : a b c