Re:Visual Group Theory: What is a group? (2016) [video]
by gowld on Saturday February 10, 2018 @11:22AM
(#16347927)
Why do you need group theory at all when thinking about addition?
When you wonder "why does subtraction work" (guaranteed by the group structure), then thinking about shifts is a nice visual illustration, especially when you have modular arithmetic.
When you wonder "why does subtraction work" (guaranteed by the group structure), then thinking about shifts is a nice visual illustration, especially when you have modular arithmetic.