12 lines
212 B
Text
12 lines
212 B
Text
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import logic
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theorem tst1 (a b c : Prop) : a → b → a ∧ b :=
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begin
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intros,
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apply and.intro,
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assumption
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end
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theorem tst2 (a b c : Prop) : a → b → a ∧ b :=
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by intros; apply and.intro; assumption
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