15 lines
217 B
Text
15 lines
217 B
Text
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VISIT info.lean
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SYNC 9
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import logic
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-- print "hello"
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theorem tst (a b : Prop) : a ∧ b → b ∧ a :=
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begin
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intro H,
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apply and.intro,
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apply (and.elim_right H),
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apply (and.elim_left H),
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end
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WAIT
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INFO 6
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INFO 7
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