Which Rule Is Used in the Following Inference A)HS
B)MP
C)MT
D)CD
E)DD

Multiple Choice

Which rule is used in the following inference? $$\begin{array} { l } { [ ( A \supset B ) \vee ( C \supset B ) ] \supset \sim ( \sim A \cdot \sim C ) } \\( A \supset B ) \vee ( C \supset B ) \\\sim ( \sim A \cdot \sim C ) \end{array}$$

A) HS
B) MP
C) MT
D) CD
E) DD