12 lines
176 B
Text
12 lines
176 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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(* imp_tac() *).
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imp_tac2.
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foo.
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(* imp_tac() *).
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(* imp_tac() *).
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(* conj_tac() *).
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back.
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(* assumption_tac() *).
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done.
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