SymbolQ
SymbolQ(x)is
Trueifxis a symbol, orFalseotherwise.
Examples
>> SymbolQ(a)True
>> SymbolQ(1)False
>> SymbolQ(a + b)FalseSymbolQ(x)is
Trueifxis a symbol, orFalseotherwise.
>> SymbolQ(a)True
>> SymbolQ(1)False
>> SymbolQ(a + b)False