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| author | Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si> | 2016-02-29 18:20:30 +0100 |
|---|---|---|
| committer | Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si> | 2016-02-29 18:20:30 +0100 |
| commit | 6a220f4485994af4103424a72d27153c4dd65a25 (patch) | |
| tree | ae1964cecfc0d55b6b1ba0a21b5258b7661842f1 | |
| parent | 5fc3637dadebf30edaf761f25523863cc409e52f (diff) | |
Improved hints for ancestor/2.
| -rw-r--r-- | prolog/problems/family_relations/ancestor_2/common.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/prolog/problems/family_relations/ancestor_2/common.py b/prolog/problems/family_relations/ancestor_2/common.py index 7f6beea..ad306ee 100644 --- a/prolog/problems/family_relations/ancestor_2/common.py +++ b/prolog/problems/family_relations/ancestor_2/common.py @@ -85,7 +85,7 @@ def hint(code, aux_code): # TODO: how will ask_truth handle/return timeouts... # TODO: timeout is the same as fail in this particular case if prolog.engine.ask_truth(engine_id, - '\+ (findall(X/Y, parent(X, Y), L), member(X/Y, L), \+ ancestor(X, Y))'): + 'findall(X/Y, parent(X, Y), L), member(X/Y, L), \+ ancestor(X, Y)'): return [{'id': 'base_case'}] # ancestor to oneself |