lean2/tests/lean/exists1.lean
Leonardo de Moura 7726ccad28 chore(builtin): rename nat, int and real modules to Nat, Int and Real.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-01 13:52:25 -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 := ExistsIntro a H.
Show Environment 1.