Consider the following argument: Any piece of software that is in the public domain may be copied without permission or fee. But that cannot be done in the case of software under copyright. So, software under copyright must not be in the public domain. The conclusion of the argument is:

"software under copyright must not be in the public domain"

Explanation:

The conclusion of his argument is "software under copyright must not be in the public domain". This combines the two premises that were stated before it in order to form a logical outcome based on the premises. In the case of logic, this would basically be an

IF A and IF B, Then C

type of logic, in which A is "Public Domain Work can be copied", B is "Software under Copyright cannot be copied", and C is the conclusion which would be "software under copyright must not be in the public domain"

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