9 lines
260 B
Text
9 lines
260 B
Text
import logic
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open tactic
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notation `(` h `|` r:(foldl `|` (e r, tactic.or_else r e) h) `)` := r
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definition my_tac := repeat (apply @and.intro | apply @eq.refl)
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tactic_hint my_tac
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theorem T1 {A : Type} {B : Type} (a : A) (b c : B) : a = a ∧ b = b ∧ c = c
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