lean2/tests/lean/exists1.lean
Leonardo de Moura 08718e33dc refactor(builtin): only load the kernel and natural numbers by default
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-30 13:35:37 -08:00

6 lines
No EOL
150 B
Text

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.