Hmm, and of course defined is a named unary operator rather than a list operator, so never mind me; your code is perfectly correct. (Though, since some operators do behave like this, I always prefer to use either parentheses or 'and' anyway for clarity.)
Hmm, and of course defined is a named unary operator rather than a list operator, so never mind me; your code is perfectly correct. (Though, since some operators do behave like this, I always prefer to use either parentheses or 'and' anyway for clarity.)