diff options
author | Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si> | 2016-08-18 21:05:22 +0200 |
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committer | Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si> | 2016-08-18 21:05:22 +0200 |
commit | 40fb59cc361f927834580c543558b1414bb13490 (patch) | |
tree | 4f82378a13961f10d4a5ff6f45c8e7240a31a02e /prolog/problems | |
parent | c2e782122d52acea0e69f8a5a92b40bbbb7072e5 (diff) |
English translation for mother/2 and father/2 added.
Diffstat (limited to 'prolog/problems')
-rw-r--r-- | prolog/problems/family_relations/father_2/en.py | 55 | ||||
-rw-r--r-- | prolog/problems/family_relations/mother_2/en.py | 56 |
2 files changed, 107 insertions, 4 deletions
diff --git a/prolog/problems/family_relations/father_2/en.py b/prolog/problems/family_relations/father_2/en.py index b37c666..f1a9040 100644 --- a/prolog/problems/family_relations/father_2/en.py +++ b/prolog/problems/family_relations/father_2/en.py @@ -9,6 +9,57 @@ description = '''\ ?- father(aleksander, X). X = luana ; X = daniela. -</pre>''' +</pre> +<p><a target="_blank" href="[%@resource famrel.svg%]">Family trees</a> are +described with predicates <code>parent/2</code>, <code>male/1</code>, and +<code>female/1</code>.</p> +''' -hint = {} +plan = [ + '''\ +<p><img src="[%@resource Prolog_father_01.svg%]" alt="A father is male and has a child." /></p>''', + '''\ +<p><img src="[%@resource Prolog_father_02.svg%]" alt="Father X is a parent of Y and is male." /></p>''', + '''\ +<p>If <code>X</code> is male and <code>X</code> is parent to <code>Y</code>, +then <code>X</code> is a father of <code>Y</code>.</p>''' +] + +hint = { + 'or_instead_of_and': '''\ +<p>Did you perhaps use a semicolon (that represents logical OR) instead of a comma (logical AND)?</p> +''', + + 'or_instead_of_and_two_rules': '''\ +<p>Did you perhaps write two rules: one for gender and one for parenthood? +Be careful: this is understood as one <em>or</em> the other, not as one <em>and</em> the other!</p> +''', + + 'x_must_be_male': '''\ +<p>A father is usually male.</p> +<p><img src="[%@resource Prolog_father_03.svg%]" /></p> +''', + + 'x_must_be_parent': '''\ +<p>A father is supposed to have at least one child... so he's a parent of somebody.</p> +<p><img src="[%@resource Prolog_father_04.svg%]" /></p> +''', + + 'y_can_be_of_any_gender': '''\ +<p><code>Y</code> can be of any gender.</p> +''', + + 'y_need_not_be_parent': '''\ +<p><code>Y</code> doesn't need to have children...</p> +''', + + 'predicate_always_false': '''\ +<p>It seems your predicate is <em>always</em> "false". Did you give it the correct name, +or is it perhaps misspelled?</p> +<p>If the name is correct, check whether something else is misspelled, perhaps there is a full stop instead of +a comma or vice versa, or maybe you typed a variable name in lowercase?</p> +<p>It is, of course, also possible that your conditions are too restrictive, or even impossible to satisfy +(as would be, for example, the condition that <code>X</code> is both a parent and a sister of <code>Y</code>, or +something similarly impossible).</p> +''', +} diff --git a/prolog/problems/family_relations/mother_2/en.py b/prolog/problems/family_relations/mother_2/en.py index f8cda9a..7d9de60 100644 --- a/prolog/problems/family_relations/mother_2/en.py +++ b/prolog/problems/family_relations/mother_2/en.py @@ -9,6 +9,58 @@ description = '''\ ?- mother(nevia, X). X = luana ; X = daniela. -</pre>''' +</pre> +<p><a target="_blank" href="[%@resource famrel.svg%]">Family trees</a> are +described with predicates <code>parent/2</code>, <code>male/1</code>, and +<code>female/1</code>.</p> +''' -hint = {} +plan = [ + '''\ +<p><img src="[%@resource Prolog_mother_01.svg%]" alt="A mother is female and has a child." /></p> +''', + '''\ +<p><img src="[%@resource Prolog_mother_02.svg%]" alt="Mother X is a parent of Y and is female." /></p>''', + '''\ +<p>If <code>X</code> is female and <code>X</code> is parent to <code>Y</code>, +then <code>X</code> is a mother of <code>Y</code>.</p>''' +] + +hint = { + 'or_instead_of_and': '''\ +<p>Did you perhaps use a semicolon (that represents logical OR) instead of a comma (logical AND)?</p> +''', + + 'or_instead_of_and_two_rules': '''\ +<p>Did you perhaps write two rules: one for gender and one for parenthood? +Be careful: this is understood as one <em>or</em> the other, not as one <em>and</em> the other!</p> +''', + + 'x_must_be_female': '''\ +<p>A mother is usually female.</p> +<p><img src="[%@resource Prolog_mother_03.svg%]" /></p> +''', + + 'x_must_be_parent': '''\ +<p>A mother is supposed to have at least one child... so she's a parent of somebody.</p> +<p><img src="[%@resource Prolog_mother_04.svg%]" /></p> +''', + + 'y_can_be_of_any_gender': '''\ +<p><code>Y</code> can be of any gender.</p> +''', + + 'y_need_not_be_parent': '''\ +<p><code>Y</code> doesn't need to have children...</p> +''', + + 'predicate_always_false': '''\ +<p>It seems your predicate is <em>always</em> "false". Did you give it the correct name, +or is it perhaps misspelled?</p> +<p>If the name is correct, check whether something else is misspelled, perhaps there is a full stop instead of +a comma or vice versa, or maybe you typed a variable name in lowercase?</p> +<p>It is, of course, also possible that your conditions are too restrictive, or even impossible to satisfy +(as would be, for example, the condition that <code>X</code> is both a parent and a sister of <code>Y</code>, or +something similarly impossible).</p> +''', +} |