He said his own opinion and not everyone did that, so he drawed attention.
Answer:
Something they had to ask permission for was to marry
(2y+1)*7 = (3y-5)*7; distribute
14y+7=21y-35; move 14y to the other side, 7=21y-14y-35, combine like terms; 7=7y-35; move 35 to the other side; 35+7=7y; add 35 and 7; 42=7y. Divide 7 by 42,
y=6
I hope you understand this clearly!
I believe it is existentialism but I'm not sure. It could also be nihilism or objectivism depending on which philosopher, time period and context of your question. But I'm like 98% sure it's existentialism.