"Modules, frames, fridgeons, sleeping dogs, and the music of the spheres", in Pylyshyn, Z.W. (ed.),
The Robot's Dilemma: The frame problem in artificial intelligence, Norwood, New Jersey, Ablex Publishing, 1987.
144 ;;Quote: frame problem: fridgeon is the property that x is a particle and my fridge is on; one act changes every state