<tswett> le/rn fundamental theorem of Taneb/The Fundamental Theorem of Taneb states that for all strings S, if S describes a thing, then it is provable that Taneb invented the thing described by S; and, furthermore, that it is provable that there exists a string T that describes a thing that Taneb did not invent.

You might expect a reference to recursion here, but to make it interesting you'll actuallSTACK OVERFLOW