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type/abstract_rootof - check for a RootOf data structure that is the collection of roots of an expression
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Calling Sequence
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type(expr, abstract_rootof)
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Description
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The type(expr, abstract_rootof) function returns true if expr is the abstract collection of all the roots of an expression that uses a RootOf data structure. Otherwise, false is returned.
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This function recognizes two forms of roots.
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1.
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RootOf(expr) where expr is an algebraic expression
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2.
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RootOf(expr, label = L) where expr is an algebraic expression, and L is any expression
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If extra arguments are included in the call to type(expr, abstract_rootof), they are ignored.
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Examples
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