What is the common name for Calcium Sulfate

Statements: F @ R, R $ J, V % J, V # Z

Statements: D ≤ R < E = F, W = B > A ≥ F

Conclusions:

I. E = W

II. D < B

Statements:

A ≥ Z > B ≥ Y; C > B ≥ W

Conclusion:

I. A > W

II. C > Y

Statement: F ≥ G > I > E ≤ P, E = S ≥ P 

Conclusion: I. F ≥ P           II. G > P

Statements: I < G = Z = X ≤ A ≤ R < N > D = V

Conclusions:

I. I > D

II. R ≥ G

III. X < V

Statements:   M @ C, C $ X,X # J, J  *  N  Conclusions : 

I.               N % X

II.              J % M