lean2/tests/lean/exists1.lean

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.
print environment 1.
feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 20:05:08 +00:00			`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.`
			`print environment 1.`