its not, and this is why intro/extroversion in terms of distinction within the scheme (i.e.: attitude in general) and the actual phenonology as a product of their placement is what gives rise to "internal/external"--in short: an extroverted function in the creative position is "internal" as a matter of how it is experienced, which is why gulenko just makes Ti the the "creative" function for ILI. to reiterate internal/external is an emergent phenomenon of not just functional attitude but placement