Book - Professor Doppelgänger
A man called Professor Doppelgänger is on the sturdy desk chair. The description is "Even after looking twice, this guy looks a lot like a professor you know named Bart Massey." Understand "Prof/Professor/Dr" as "[professional title]". Understand "Doppelgänger/Doppelganger" as "[Doppelganger name]". Understand "[professional title] [Doppelganger name]" or "[professional title]" or "[Doppelganger name]" as Professor Doppelgänger.
Mentioning is an action applying to one topic. Understand "mention [text]" as mentioning. Understand "talk to/-- [Professor Doppelgänger]" as a mistake ("You should probably just MENTION OUTLINE").
Check mentioning a topic when Professor Doppelgänger is not visible: instead say "That sounds like something Professor Doppelgänger might be interested in. Too bad he's not around."
Carry out mentioning a topic listed in the Table of Lecture Subjects: abide by the reaction entry; rule succeeds.
Carry out mentioning a topic: instead say "The Prof seems uninterested in [the topic understood]."
Understand "ontology/ontologies" as "[ontol]".
Table of Lecture Subjects
| topic | reaction |
| "outline" | lecture outline rule |
| "[ontol]" | lecture about ontology rule |
| "upper/-- [ontol]" | lecture about upper ontology rule |
| "relations-actions" | lecture about relations-actions rule |
| "declarative" | lecture about declarative rule |
| "cyc/lenat" | show cyc picture rule |
| "actions" | show action diagram rule |
| "flowchart" | show flowchart rule |
| "handwave/handwaving" | handwave rule |