12 lines
172 B
Text
12 lines
172 B
Text
Theorem T2 (a b : Bool) : a => b => a /\ b.
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done.
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done.
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apply imp_tac.
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apply imp_tac2.
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foo.
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apply imp_tac.
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apply imp_tac.
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apply conj_tac.
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back.
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apply assumption_tac.
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done.
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