Quote Originally Posted by deanjo View Post
There shouldn't be anything confusing. Since algorithms, mathematics and formulas are not invented but discovered no one should have any say where or how they are used. A license is a form of "ownership" that allows the "owners" to dictate on the terms of use.

Copyright is a form of ownership.

A license is a contract between the copyright owner and a third party, allowing the third party to use a certain work in a way which is usually prohibited by copyright.

Copyright prevents you from doing thing, a license (like the name implies) allows you to do things.