lean2/tests/lean/run/sub.lean
Leonardo de Moura d2eb99bf11 refactor(library/logic): move logic/choice.lean to init/classical.lean
choice axiom is now in the classical namespace.
2015-08-12 18:37:33 -07:00

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import data.nat
open nat
notation `{` binders:55 `|` r:(scoped P, subtype P) `}` := r
check { x : nat | x > 0 }
check { (x : nat → nat) | true }