What was the masters' program actually called?
I mean: as far as I know, post-modernism is a general attitude towards previous theories and methods. Wether it's art, philosophy or social science. I tried skimming the wiki article on this but it was tl;dr at this hour.

Also:
"human rights exist by use of language alone and to serve the bourgeois class"
What part did offend you:
1) human rights do not have an independant existence beyond the thoughts and words that are in vogue
2) the marxist bit about it serving the bourgeois class

#1 is actually debatable. I have my own theory on human rights, based on social contract, but I'm also of the opinion that much of which is passed as "human rights" nowadays doesn't really deserve the name.