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tutorials:beginner:cram_prolog [2019/07/10 14:58] – [Defining custom predicates] gkazhoya | tutorials:beginner:cram_prolog [2022/05/24 09:20] – [Using built-in predicates] schimpf | ||
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Then we get one correct possible assignment for all the variables as one entry of the lazy list. | Then we get one correct possible assignment for all the variables as one entry of the lazy list. | ||
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+ | It is important to remember that the ` is needed for unbound variables, not the ' or you will get an error. | ||
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If there are no solutions for the query Prolog returns NIL: | If there are no solutions for the query Prolog returns NIL: |