F ? ?K $\frac { \sim \mathrm { N } \supset \mathrm { F } } { \sim \mathrm { N } \supset \sim \mathrm { K } }$
A) MT-valid.
B) HS-valid.
C) Invalid.
D) DD-invalid.
E) CD-valid.

Question

Quizplus · Accepted Answer

The Answer of F ? ?K $\frac { \sim \mathrm { N } \supset \mathrm { F } } { \sim \mathrm { N } \supset \sim \mathrm { K } }$
A) MT-valid.
B) HS-valid.
C) Invalid.
D) DD-invalid.
E) CD-valid.

F ? ?K ∼N⊃F∼N⊃∼K\frac { \sim \mathrm { N } \supset \mathrm { F } } { \sim \mathrm { N } \supset \sim \mathrm { K } }∼N⊃∼K∼N⊃F​

F ? ?K $\frac { \sim \mathrm { N } \supset \mathrm { F } } { \sim \mathrm { N } \supset \sim \mathrm { K } }$