Dominant: Introverted thinking (Ti)Ti seeks precision, such as the exact word to express an idea. It notices the minute distinctions that define the essence of things, then analyzes and classifies them. Ti examines all sides of an issue, looking to solve problems while minimizing effort and risk. It uses models to root out logical inconsistency.[12] Ti is calm, articulate, and aware of the forces that bind reality together. As introverted Thinkers, INTPs spend the majority of their time and energy ordering the interior, logical world of principles and generalizations in an effort to understand.
[edit] Auxiliary: Extraverted intuition (Ne)Ne finds and interprets hidden meanings, using “what if†questions to explore alternatives, allowing multiple possibilities to coexist. This imaginative play weaves together insights and experiences from various sources to form a new whole, which can then become a catalyst to action.[13] Ne gives INTPs a grasp of the patterns of the world around them. They use their intuition to amalgamate empirical data into coherent pictures, from which they can derive universal principles. INTPs frequently puzzle over a problem for hours on end, until the answer suddenly crystallizes in a flash of insight.
http://en.wikipedia.org/wiki/Intp