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Gets the unicode symbol for standard mathematical special sets.
setSymbol(set)
special set
Returns the unicode representation of mathematical special sets.
Special set can be supplied as a character string or class, case-insensitive. See listSpecialSets for full list of currently supported sets.
listSpecialSets
SpecialSet, listSpecialSets
SpecialSet
# NOT RUN { # Supplied as class setSymbol(empty) # Supplied as string setSymbol("empty") # Case-insensitive setSymbol(EmPtY) # }
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