© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Four Views of AI
•Acting humanly – Turing Test (Alan Turing, 1950)
•Thinking humanly – cognitive modeling GPS (Newell & Simon, 1960)
•Thinking rationally – laws of thought, logic, Aristotle’s syllogisms
•Acting rationally – when there’s no provably correct action but one must act, uncertainty, “acting so as to best achieve one’s goals, given one’s beliefs”