AtomQ
AtomQ[expr] yields True if expr is an expression which cannot be divided into subexpressions, and yields False otherwise.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.
AtomQ[expr] yields True if expr is an expression which cannot be divided into subexpressions, and yields False otherwise.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.