What does UPI stand for in the context of digital

Statement: M < N ≤ O = P, Q ≥ O ≤ R ≤ Z

Conclusion: I. Q > M                        II. Z > M

Statements: E ≥ F ≥ A ≤ W, N ≥ M ≥ Y = E

Conclusion:

I. N > W

II. Y ≥ A

Statements: I % C, C & D, D $ K, K # Z

Conclusions: I. I & D                        II. D # Z

Statement: A ≤ B ≤ C > D; E < D; F > E

Conclusions: I. D > A II. E < C

Statements: E ≥ F ≥ A = M, F ≥ N > W ≥ X

Conclusion:

I. E ≥ X

II. E > X

Statements: V < P ≤ F = Y, Y < O ≤ J < S 

Conclusions:

I. V ≤ O

II. F < J

III. S > P

Statements:

E ≤ A > J ≥ L; Y > J < D

Conclusions:

I. D > L

II. A > L

Statement: Q > R; O < K ≤ N; O ≥ S > R

Conclusion: I. O ≥ Q          II. R < N.

Statements: G > L = V ≥ Z ≤ O = Q < K < N

Conclusions:

I. L ≥ Q

II. Z < N