?G $\frac { \sim \mathrm { G } \supset \mathrm { A } } { \mathrm { A } }$

Multiple Choice

?G $\frac { \sim \mathrm { G } \supset \mathrm { A } } { \mathrm { A } }$

A) Constructive dilemma.
B) Disjunctive syllogism.
C) Modus ponens.
D) Denying the antecedent.
E) Invalid.