Show that $ and %$%^-1 have the same parity for all % and $ in Sn. (Sn is the symmetric group of degree n)© BrainMass Inc. brainmass.com March 4, 2021, 5:51 pm ad1c9bdddf
We know for any %, % and % have the same parity.
Now we define sgn$=1 if $ ...
Parity in a symmetric group is concisely proven.