Maple Keywords (Reserved Words)
Keywords are reserved words that are used in forming Maple statements. These words cannot be used as variable names. There are 11 operator keywords (and, or, xor, not, implies, union, intersect, subset, minus, mod, assuming), plus 36 additional language keywords, for a total of 47 reserved words in Maple:
If one of these words must be used as a name, such as in a call to the help function, it must be enclosed in left single quotes (back quotes) (` `).
In addition to these language keywords, Maple also has a number of reserved names. Unlike keywords, these are normal Maple symbols, but they have been preassigned values (usually procedures), and are protected against reassignment. See protect for more information.
For information about keyword parameters in the context of procedures, see Parameter Declarations.
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