It was to represent a line of thought, not a personal attack on Bob Bork's book.
Bob Bork is the author of a book titled, "The Dawn Before Time" which he wrote in 1978. 
mnli hypothesis: Bob Bork is the author of a book titled, "The Dawn Before Time" which he wrote in 1978.  premise: It was to represent a line of thought, not a personal attack on Bob Bork's book.