Lisp is one of the most significant early AI programming langauges, known for its heavy use of brackets. Lisp stands for "List processing" and the language is heavily influenced by the lambda calculus. Lisp has several dialects including Scheme. Lisp is an early functional programmon g lanugage although not a pure finctional language as it has updatabale variables and state.
Used in Chap. 8: page 120; Chap. 15: page 253; Chap. 18: pages 295, 299
Links:
tutorialspoint.com: Online Lisp Compiler