| Querying with the route/2
procedure |
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| You are advised to complete your solution
before you look at the answer. |
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Using the route/2 and path/2 procedures, which
of the following queries are true and to what would the variables be instantiated?
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1.
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route(a, 1). |
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2.
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route(1, 5). |
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3.
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route(3, b). |
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4. |
route(9, 5). |
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With the following queries, type a semi-colon (";") after
each reply from Prolog until you get the "no" response: eg
| ?- route(7, End).
End = b ? ;
End = 8 ? ;
End = b ? ;
no
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5.
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route(4, End). |
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6.
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route(Start, 5). |
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