Adam remembered using Prolog in college, Jason felt like he had no what he was doing, Adam thought it was fun and mind bending, and Jason felt like writing a Sudoku solver was like having cheat mode on.

Seven Languages in Seven Weeks

Prolog

Tail recursion

GNU Prolog

Adventure in Prolog

Arity

SWISH

SWI Prolog

Echo protocol

Gopher protocol

Lynx

Jason's Gopher code

Adam's Code

Spinning Dancer