User Guide

If the left-hand side of the substitution is not a name, Maple performs the
substitution only if the left-hand side of the substitution is an operand of the
expression.
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Maple did not perform the evaluation because is not an operand of
. For information on operands, refer to the ?op help page.
For algebraic substitution, use the algsubs command, or the simplify com-
mand with side relations.
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312 • 7 Maple Expressions