I'm trying to find an example of any set S with a binary operation (meaning that it's closed) where there is a left identity that is NOT a right identity
I'm trying to find an example of any set S with a binary operation (meaning that it's closed) where there is a left identity that is NOT a right identity
So, for some , but NOT
Thanks!
If you play around with a Cayley table for a set with two elements, you should find one pretty quickly.