P ? G $\frac { ( \mathrm { H } \supset \sim \mathrm { P } ) \cdot ( \mathrm { C } \supset \sim \mathrm { G } ) } { \sim \mathrm { H } \vee \sim \mathrm { C } }$
A) CD-valid.
B) Invalid.
C) MT-valid.
D) DD-valid.
E) CD-invalid.

Question

Quizplus · Accepted Answer

The Answer of P ? G $\frac { ( \mathrm { H } \supset \sim \mathrm { P } ) \cdot ( \mathrm { C } \supset \sim \mathrm { G } ) } { \sim \mathrm { H } \vee \sim \mathrm { C } }$
A) CD-valid.
B) Invalid.
C) MT-valid.
D) DD-valid.
E) CD-invalid.

P ? G A) CD-Valid