(Or "parameter") A name in a function or subroutine definition that is replaced by, or bound to, the corresponding actual argument when the function or subroutine is called. In many languages formal arguments behave like local variables which get initialised on entry.
For five minutes the formal argument was lost in swift flashing phrases in which everybody took a part.
I have resorted for this purpose to the methods of fiction and of formal argument.
I don't think with any kind of formal argument you could have shaken that conviction.
Against this monstrous contention it is not worth while to offer a formal argument.
That both ought to be repudiated, as at once folly and sin, I hope no formal argument will be necessary to convince you.
Name three subjects which you have lately discussed which would not be profitable subjects for a formal argument.
It should not need, to Americans or Englishmen, to set out any formal argument against absolutism.
This position is too plain to the practical geologist to need a formal argument to sustain it.