Conversation so far:
What is programmatic thought?
Key in Unger's thinking is the need to re-imagine social institutions before attempting to revise them.
This calls for a program, or programmatic thought.
Can you explain the mechanism of thinking?
In building this program, however, we must not entertain complete revolutionary overhaul, lest we be plagued by three false assumptions.
What are the three false assumptions?
Typological Fallacy.

Question: What is the next one?
Self-contained rewrite: Aside from typological fallacy, what is another false assumption according to Roberto Mangabeira Unger?