Commit 824257bc authored by Robbert Krebbers's avatar Robbert Krebbers

Anti symmetry for sets.

parent b761292e
......@@ -24,6 +24,8 @@ Section simple_collection.
Proof. firstorder auto. Qed.
Global Instance: JoinSemiLattice C.
Proof. firstorder auto. Qed.
Global Instance: AntiSymm () (@collection_subseteq A C _).
Proof. done. Qed.
Lemma elem_of_subseteq X Y : X Y x, x X x Y.
Proof. done. Qed.
Lemma elem_of_equiv X Y : X Y x, x X x Y.
......
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