polish freeze.pl and dif.pl

2019-02-15 21:04:20 -07:00
parent 818eeb6c57
commit 10d5c00f4b
2 changed files with 6 additions and 7 deletions
--- a/src/prolog/lib/dif.pl
+++ b/src/prolog/lib/dif.pl
@@ -1,7 +1,6 @@
 :- module(dif, [dif/2]).

 :- use_module(library(atts)).
-:- use_module(library(control), [(\=)/2]).

 :- attribute dif/2.