Difference: UnifyingNullWithCons ( vs. 1)

Revision 12014-05-23 - trimblet

Line: 1 to 1
META TOPICPARENT name="GrammarEngineeringFAQ;nowysiwyg=0"
NULL is defined as an empty list, while CONS is defined as a list with at least one item. Therefore, they do not unify.

-- Main.trimblet - 2014-05-23

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