lean2/tests/lean/exists1.lean
Leonardo de Moura 82dfb553d5 feat(library/basic_thms): add ExistsIntro theorem
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-15 16:26:23 -08:00

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Variable a : Int
Variable P : Int -> Int -> Bool
Axiom H : P a a
Theorem T : exists x : Int, P a a := ExistsIntro a H.
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