diff options
Diffstat (limited to 'prolog/problems/lists')
| -rw-r--r-- | prolog/problems/lists/memb_2/common.py | 10 | ||||
| -rw-r--r-- | prolog/problems/lists/memb_2/sl.py | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/prolog/problems/lists/memb_2/common.py b/prolog/problems/lists/memb_2/common.py index 4f2a251..45e070a 100644 --- a/prolog/problems/lists/memb_2/common.py +++ b/prolog/problems/lists/memb_2/common.py @@ -72,14 +72,14 @@ def hint(code, aux_code): # recursion is getting bigger and bigger - # target predicate seems to always be false - if not prolog.engine.ask_truth(engine_id, 'memb(_, _)'): - return [{'id': 'predicate_always_false'}] - # missing/failed base case - if not prolog.engine.ask_truthTO(engine_id, 'memb(qq, [qq|_])'): + if not prolog.engine.ask_truthTO(engine_id, 'memb(qq, [qq,_,_,_])'): return [{'id': 'base_case'}] + # target predicate seems to always be false + if not prolog.engine.ask_truth(engine_id, 'memb(_, [_,_,_,_,_,_])'): + return [{'id': 'predicate_always_false'}] + # TODO: Tim, can we include 'fail'-used as a general hint? except socket.timeout as ex: diff --git a/prolog/problems/lists/memb_2/sl.py b/prolog/problems/lists/memb_2/sl.py index 5b44521..f2d0ce2 100644 --- a/prolog/problems/lists/memb_2/sl.py +++ b/prolog/problems/lists/memb_2/sl.py @@ -30,7 +30,7 @@ hint = { 'eq_instead_of_equ': '''\ <p>Operator <code>==</code> je strožji od operatorja <code>=</code> v smislu, da je za slednjega dovolj, da elementa lahko naredi enaka (unifikacija). Morda z uporabo <code>=</code> narediš predikat -<code>member/2</code> delujoč tudi v kakšni drugi smeri.</p> +<code>memb/2</code> delujoč tudi v kakšni drugi smeri.</p> ''', 'eq_instead_of_equ_markup': '''\ |