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- The question is simple, why does "(12)(34) (elements of A4) squares to the identity"?
I am probably missing a crucial point here, but what does it means that (12)(34) squares to the identity? How do we prove it?
((12)(34))² = (12)(34)(12)(34) = (12)(12)(34)(34) = (12)(34) ##\neq I ##
Is not this the algorithm?
((12)(34))² = (12)(34)(12)(34) = (12)(12)(34)(34) = (12)(34) ##\neq I ##
Is not this the algorithm?