Good to see you last night. Thanks for bringing the puzzles.

I came up with a cooler definition of F2 based on something I think I overheard one of the other guys mention:

(defn factorial [n]
(if (zero? n)
(*)
(* n (factorial (dec n)))) )

(def seven (inc (factorial (+ (*) (*) (*)))) )
(def F2 (- (* seven seven) seven))

Thanks also for the book. We're enjoying studying yours at work.

Huh. We have several people who have talked about learning clojure. Have you dropped by the space before? Let me know when you might be coming!