Meanwhile builders (parts of guilds with trade secrets) were using their own heuristic, richer, geometry. (see #Antifragile)
+ Education to be civilized. (Literature, philosophy, poetry, abstract math, history, stamp collecting, etc.)
+ Education to learn to do things. (Engineering, medicine, accounting, law, belly dancing, plumbing)
The only overlap I could find was mathematics, though not a strong argument since applied math is a v. different animal.
(Same problems: "know economics" is interpreted as knowing theories by economists, not economic facts).
+ Taught by nonskininthegame people (math, poetry, etc.)
+ Taught by skininthegame people (engineering, medicine, belly dancing, plumbing, finance, law, burglarizing, computer "science", accounting, ...)
In SEPARATE institutions.
Technical education was left to free thinkers.