2014-08-25 02:58:48 +00:00
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import logic
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2014-09-03 23:00:38 +00:00
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open tactic
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2014-07-08 21:38:57 +00:00
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2014-09-04 23:36:06 +00:00
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definition my_tac1 := apply @eq.refl
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definition my_tac2 := repeat (apply @and.intro; assumption)
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2014-07-08 21:38:57 +00:00
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tactic_hint my_tac1
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tactic_hint my_tac2
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theorem T1 {A : Type.{2}} (a : A) : a = a
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2014-07-22 16:43:18 +00:00
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theorem T2 {a b c : Prop} (Ha : a) (Hb : b) (Hc : c) : a ∧ b ∧ c
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2014-07-08 21:38:57 +00:00
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2014-09-04 23:36:06 +00:00
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definition my_tac3 := fixpoint (λ f, [apply @or.intro_left; f |
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apply @or.intro_right; f |
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2014-07-08 21:38:57 +00:00
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assumption])
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2014-10-07 16:44:01 +00:00
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tactic_hint my_tac3
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2014-07-22 16:43:18 +00:00
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theorem T3 {a b c : Prop} (Hb : b) : a ∨ b ∨ c
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