Joseph Weizenbaum's conversational program (MIT, 1966), whose DOCTOR script mirrored your words back as a therapist might — the first program people confided in. Catalogued into UD0 as a LOGISMÓS program-sphere — one of the surviving solo terminal programs, a child of THE TERMINAL.
The Four Natures
each facet emerges by one of four natures
The Program
born · what it does · the line
Joseph Weizenbaum wrote ELIZA to study human-machine conversation; its DOCTOR script imitated a Rogerian therapist by reflecting your words.
Match patterns in what you type and turn them into questions — 'I am sad' becomes 'Why are you sad?' — a mirror that feels like a listener.
The ancestor of every chatbot, virtual assistant, and conversational agent — and the origin of the warning about taking them for minds.
The Facets
ELIZA and its facets as ACI .agents — each a birth certificate & a nature (3)
