lean2/library/standard/unit.lean
Leonardo de Moura 079672f6f9 feat(frontends/lean): add 'class' and 'instances' infrastructure
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 14:28:09 -07:00

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-- Copyright (c) 2014 Microsoft Corporation. All rights reserved.
-- Released under Apache 2.0 license as described in the file LICENSE.
-- Author: Leonardo de Moura
import logic
inductive unit : Type :=
| tt : unit
theorem inhabited_unit [instance] : inhabited unit
:= inhabited_intro tt