"Self contradiction" refers to a situation where someone or something says or does two things that cannot both be true at the same time. It is a contradiction that occurs within oneself. Full definition
I have looked at potholer54 vids on youtube, his tomne of voice is enoiugh to convince me it is nothing but propganda, even without the half truths, lies self contradiction and lack of logic evident in his vids. (wottsupwiththat.com)