Artificial iNtelligeNce laNguage for {automatic theorem proviNg}. AN outgrowth of {PLANNER}, based oN {coroutiNe}s rather thaNbacktrackiNg. Allowed multiple database coNtexts with hypothetical assertioNs. ["The CONNIVER RefereNce MaNual", D. McDermott & G.J. SussmaN, AI Memo 259, MIT AI Lab, 1973]. (1995-01-10)