Talk:Aufgaben:Problem 10

I don't think the proof for asymmitry was sufficient, it was only shown that we can pull out a minus sign from every sum, but the sum are disordered after the permutation and have be put back together. to show that we get back \(-d\omega\) and not something different

Carl (talk) 14:01, 18 June 2015 (CEST)