diff options
Diffstat (limited to 'prolog/problems/family_relations/descendant_2')
| -rw-r--r-- | prolog/problems/family_relations/descendant_2/en.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/prolog/problems/family_relations/descendant_2/en.py b/prolog/problems/family_relations/descendant_2/en.py index 1217e2a..7752ad6 100644 --- a/prolog/problems/family_relations/descendant_2/en.py +++ b/prolog/problems/family_relations/descendant_2/en.py @@ -2,7 +2,7 @@ name = 'descendant/2' slug = 'the descendant relation' description = '''\ -<p><code>descendant(X, Y)</code>: <code>X</code> is a descendant (child, grandchild, great-grandchild, ...) +<p><code>descendant(X, Y)</code>: <code>X</code> is a descendant (child, grandchild, great-grandchild, ...) of <code>Y</code>.</p> <pre> ?- descendant(patricia, X). @@ -16,7 +16,7 @@ described with predicates <code>parent/2</code>, <code>male/1</code>, and ''' plan = ['''\ -<p>I believe recursion is needed... how can we transpose the problem to a smaller one +<p>I believe recursion is needed... how can we reduce the problem into a smaller one (a single step smaller that is)?</p> <p><img src="[%@resource Prolog_descendant_03.svg%]" alt="A descendant of someone, who is a child of Y, is also a descendant of Y." /></p> @@ -40,7 +40,7 @@ hint = { 'grandparent_used': '''\ <p>The solution using the grandparent relation will not be general enough, try using recursion instead. -Try to transpose the problem into a "smaller" one, e.g. a descendant in one step less (a closer descendant).</p> +Try to reduce the problem into a "smaller" one, e.g. a descendant in one step less (a closer descendant).</p> ''', 'grandparent_used_markup': '''\ |