(P) Perceiving Functions: N = intuition; S = sensing
According to MBTI theory, everyone uses all 8 of these functions. However, the personality type determines the *order* in which they are used. Here is a step-by-step process for doing this.
letter 2: N or S
letter 3: T or F
letter 4: J or P
letter 1 = E (extraverted): spect sequence is [e i e i i e i e]
letter 2 is the first extraverted function
letter 3 is the first intraverted function.
letter 3 is the first extraverted function
letter 2 is the first intraverted function
Step 1. letter 1 is E, so the aspects are [e i e i i e i e]
Step 2. letter 4 is J. So, the first e function is T and the first i function is S. Based on the sequence in Step 1 we know that the first e function (T) comes before the first i function (S), so the first two pairs in the function sequence are: T, S, ...
Step 3. does not apply.
Step 4. the third function is N, the dual opposite of S; and the fourth function is F, the dual opposite of T. The first 4 functions are thus: T, S, N, F, ...
Step 5. the remaining 4 "shadow functions" are the same sequence repeated.
So the full sequence of functions is [T, S, N, F, T, S, N, F]. Combining these with the aspects in step 1, we have: [Te, Si, Ne, Fi, Ti, Se, Ni, Fe]