A subset of PLANNER, implemented in Lisp by Gerald Sussman et al at MIT. Its important features were goal-oriented, pattern-directed procedure invocation, an embedded knowledge base, and automatic backtracking. microPLANNER was superseded by Conniver. ["microPLANNER Reference Manual", G.J. Sussman et al, AI Memo 203, MIT AI Lab, 1970]. (1995-01-10)
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
the offspring of a zebra and a donkey.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a scrap or morsel of food left at a meal.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.