lean2/tests/lean/exists1.lean
Leonardo de Moura 57c0006916 chore(*): cleanup lean builtin symbols, replace :: with _
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-09 08:33:52 -08:00

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import Int.
variable a : Int
variable P : Int -> Int -> Bool
axiom H : P a a
theorem T : exists x : Int, P a a := exists_intro a H.
print environment 1.