prove that A_3 inside S_3 is normal.
Does anyone have a good idea of how to go about proving this?
I just used the fact that parity (even and oddness) is a homomorphism and respects products.
--Jzage 16:14, 18 February 2009 (UTC)
prove that A_3 inside S_3 is normal.
Does anyone have a good idea of how to go about proving this?
I just used the fact that parity (even and oddness) is a homomorphism and respects products.
--Jzage 16:14, 18 February 2009 (UTC)
