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tutorials:intermediate:json_prolog [2019/04/24 11:43] – [Some more information about Prolog in LISP] gkazhoyatutorials:intermediate:json_prolog [2019/04/24 11:46] – gkazhoya
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 </code> </code>
  
-In JSON Prolog ''(NIL)'' means success, and ''NIL'' means failure. This is explained in detail [[tutorials/intermediate/json_prolog?&#some_more_information_about_prolog_in_lisp|in the next section]].+In JSON Prolog ''(NIL)'' means success, and ''NIL'' means failure. This is explained in detail [[tutorials/intermediate/json_prolog?&#nil_vs_nil|in the next section]].
          
 This allows us to use the ''knowrob_common'' package, which allows us to access many utility functions and also the most commonly used queries of KnowRob. This allows us to use the ''knowrob_common'' package, which allows us to access many utility functions and also the most commonly used queries of KnowRob.
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 and if you check your terminal, in which the ''json_prolog'' node is running, there will be a huge java print as well, basically explaining the same thing. and if you check your terminal, in which the ''json_prolog'' node is running, there will be a huge java print as well, basically explaining the same thing.
      
-    + 
 +==== Case-sensitive variable names ==== 
 + 
 +In the former query we got a weird result from Prolog which looked like this: ''|''helloworld''|''. 
 + 
 ==== (NIL) vs NIL ==== ==== (NIL) vs NIL ====