Re: Trying to solve the last step of an issue...
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Pierre Carbonnelle
Jan 24, 2016, 3:47:47 PM1/24/16
to pyDatalog
The reason is that
(distance["sea","shore"]==Z))
is a logic function, aka dictionary. For any key, there is only one value.
(distance["sea","shore"]==Z))
is a logic function, aka dictionary. For any key, there is only one value.
For a logic relation, please use parenthesis wherever distance is used:
distance("sea","shore", Z)
PC
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