Commit 6d2e61e1 authored by Robbert Krebbers's avatar Robbert Krebbers
Browse files

Turn unused disjoint_union_difference into something more sensible.

parent f81b0ff3
......@@ -418,7 +418,7 @@ Section collection.
Proof. set_solver. Qed.
Lemma difference_intersection_distr_l X Y Z : (X Y) Z X Z Y Z.
Proof. set_solver. Qed.
Lemma disjoint_union_difference X Y : X Y (X Y) X Y.
Lemma difference_disjoint X Y : X Y X Y X.
Proof. set_solver. Qed.
Section leibniz.
......@@ -438,8 +438,8 @@ Section collection.
Lemma difference_intersection_distr_l_L X Y Z :
(X Y) Z = X Z Y Z.
Proof. unfold_leibniz. apply difference_intersection_distr_l. Qed.
Lemma disjoint_union_difference_L X Y : X Y (X Y) X = Y.
Proof. unfold_leibniz. apply disjoint_union_difference. Qed.
Lemma difference_disjoint_L X Y : X Y X Y = X.
Proof. unfold_leibniz. apply difference_disjoint. Qed.
End leibniz.
Section dec.
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