Recent content by JackNicholson

I think that's it. I'm glad I can be part of this forum.

0 Hint: Show that the isomorphism preserves the order of the element My solution: C4 = {e,r,r^2,r^3} where e-identity element and r is rotation by 90° Z4 = {0,1,2,3} LEMMA: ! Isomorphism preserves the order of the element ! (PROOF OF IT)Now we calcuate the order of the elements of both...