From 2e900dd0317299294f4cb27213be6f5b36d4b8b8 Mon Sep 17 00:00:00 2001 From: Timotej Lazar Date: Wed, 13 Jan 2016 16:35:48 +0100 Subject: Use argument mode indicators in Prolog problem descriptions --- prolog/problems/family_relations/descendant_2/en.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'prolog/problems/family_relations/descendant_2/en.py') diff --git a/prolog/problems/family_relations/descendant_2/en.py b/prolog/problems/family_relations/descendant_2/en.py index 2bd30af..aab3ba8 100644 --- a/prolog/problems/family_relations/descendant_2/en.py +++ b/prolog/problems/family_relations/descendant_2/en.py @@ -4,7 +4,7 @@ name = 'descendant/2' slug = 'the descendant relation' description = '''\ -

descendant(X, Y): X is a descendant (child, grandchild,...) of Y.

+

descendant(?X, ?Y): X is a descendant (child, grandchild, …) of Y.

 ?- descendant(patricia, X).
   X = william ;
-- 
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