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How do I prove the definition of a homomorphism?

The question is asking me to prove that $f(a \circ b) = f(a) \circ f(b)$. This I believe is referencing our previous proof which tells us: Assume $g:x \rightarrow y $ is a bijection and for an $a ...
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119 views

How does Composition Algebra Relates to Function Composition?

I've read the definition of composition algebra in wikipedia, but I couldn't understand whether it relates to the usual function composition $(\circ)$. Are these two things related at all? ...