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1. Logic
a. a process of deductive or inductive reasoning that purports to show its conclusion to be true
b. formally, a sequence of statements one of which is the conclusion and the remainder the premises
2. Logic an obsolete name for the middle term of a syllogism
3. Maths
a. an element to which an operation, function, predicate, etc., applies, esp the independent variable of a function
b. another name for amplitude (sense 5) of a complex number


An angle or arc, as in argument of perigee.
(computer science)
A value applied to a procedure, subroutine, or macroinstruction which is required in order to evaluate any of these.


(Or "arg") A value or reference passed to a function, procedure, subroutine, command or program, by the caller. For example, in the function definition

square(x) = x * x

x is the formal argument or "parameter", and in the call

y = square(3+4)

3+4 is the actual argument. This will execute the function square with x having the value 7 and return the result 49.

There are many different conventions for passing arguments to functions and procedures including call-by-value, call-by-name, call-by-reference, call-by-need. These affect whether the value of the argument is computed by the caller or the callee (the function) and whether the callee can modify the value of the argument as seen by the caller (if it is a variable).

Arguments to functions are usually, following mathematical notation, written in parentheses after the function name, separated by commas (but see curried function). Arguments to a program are usually given after the command name, separated by spaces, e.g.:

cat myfile yourfile hisfile

Here "cat" is the command and "myfile", "yourfile", and "hisfile" are the arguments.


In programming, a value that is passed between programs, subroutines or functions. Arguments are independent items, or variables, that contain data or codes. When an argument is used to customize a program for a user, it is typically called a "parameter." See argc.
References in periodicals archive ?
A subordinate lawyer may only defer to the discretion of a supervising lawyer in limited circumstances: where there is an arguable question of professional duty which the supervising lawyer reasonably resolves.
In this short response, I can't resist adding another point, also arguable, that I didn't make in my review essay.
military, may prove counterproductive and restrictive, as in the arguable case of PDD 25.
The congressional committee reports say the reasonable basis standard is relatively high and will not be satisfied if it is merely arguable or it is a colorable claim.
Granting Jones permission to appeal, however, Mr Justice King, sitting with Lady Justice Rafferty and Mr Justice Leggatt, said: "We consider that it is arguable that, in conducting the sentencing exercise the way he did, the judge fell into error.
Mr Justice Irwin at the High Court said the university had an arguable case relating to the UK Border Agency's (UKBA) decision to revoke its licence to sponsor students from outside the European Economic Area (EEA).
But a Master at the High Court dismissed the application on the basis the property developer has an arguable case for alleged breach of fiduciary duty.
I'm confident that we've followed the proper process and have an arguable case for those players to answer," he stated, adding, "These are a few individuals that need to be dealt with," he said.
The sentence seems excessive, but it is arguable that if Margo's law gets the go-ahead there could well be a number of other loving and less than loving relatives who see it as a green light to bump off any inconveniently frail family member.
It is certainly arguable that someone who is caught doing 43mph in a 30mph zone should be banned for a first offence, but it is the reason that the magistrates accepted that is hard to understand in this case.
MIDLAND genius, Charles Darwin, had arguable the greatest scientific mind in the history of mankind.
You can get 4-1 with Totesport, and it is arguable that the price should be at least a little bit shorter, probably around 18-5.