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The Maxima on-line user's manual

Algebra Calculator

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Featurep Calculator

Featurep

Function: featurep (<a>, <f>) Attempts to determine whether the object <a> has the feature <f> on the basis of the facts in the current database. If so, it returns true, else false.

declare (j, even);
 featurep (j, integer);

Note that featurep returns false when neither <f> nor the negation of <f> can be established.

featurep evaluates its argument.

See also declare and features.

          (%i1) declare (j, even)$
          (%i2) featurep (j, integer);
          (%o2)                           true

(%o1)                                true
(%i2) 

Featurep Example

Related Examples