2013-12-17 22:33:42 +00:00
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Set: pp::colors
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Set: pp::unicode
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Assumed: N
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Assumed: a
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Assumed: b
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Assumed: c
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Assumed: P
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Proved: T1
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2014-01-05 20:05:08 +00:00
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theorem T1 (f : N → N) (H : P (f a) b (f (f c))) : ∃ x y z : N, P x y z :=
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2014-01-09 16:33:52 +00:00
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exists_intro (f a) (exists_intro b (exists_intro (f (f c)) H))
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