11 lines
258 B
Text
11 lines
258 B
Text
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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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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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ExistsIntro (f a) (ExistsIntro b (ExistsIntro (f (f c)) H))
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