lean4-htt/library/init/data/ordering/default.lean
Leonardo de Moura 31461b6fc7 feat(library/init): add ordering unbundled type classes, add has_strict_weak_ordering for cmp
This commit also shows that nat.cmp is an instance of has_strict_weak_ordering.
2017-11-10 16:45:54 -08:00

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/-
Copyright (c) 2017 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Leonardo de Moura
-/
prelude
import .basic .lemmas