Conversation so far:
What did he do in 1988?
In this essay, Judith Butler proposes her theory of gender performativity, which would be later taken up in 1990 throughout her work, Gender Trouble.
what was her theory about?
that both phenomenology and feminism ground their theories in "lived experience".
what is lived experience?
distinction between sex, as biological facticity, and gender, as the cultural interpretation or signification of that facticity".
what did people think of this theory?
CANNOTANSWER.

Question: what else did she describe in her theory?
Self-contained rewrite: Besides "lived experience", what else did Judith Butler describe in her theory?