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SciMax Toolbox >> emptyp

emptyp

Maxima Function

Calling Sequence

emptyp (a)

Description

Return true if and only if a is the empty set or the empty list.

Examples:

(%i1) map (emptyp, [{}, []]);
(%o1)                     [true, true]
(%i2) map (emptyp, [a + b, {{}}, %pi]);
(%o2)                 [false, false, false]
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