E ? ?T $\frac { \sim \mathrm { N } \supset \mathrm { E } } { \sim \mathrm { N } \supset \sim \mathrm { T } }$
A) Modus ponens.
B) Constructive dilemma.
C) Pure hypothetical syllogism.
D) Invalid.
E) Disjunctive syllogism.

Question

Quizplus · Accepted Answer

The argument follows the form of a pure hypothetical syllogism, which is a valid form of reasoning where if "P implies Q" and "Q implies R," then "P implies R."

E ? ?T ∼N⊃E∼N⊃∼T\frac { \sim \mathrm { N } \supset \mathrm { E } } { \sim \mathrm { N } \supset \sim \mathrm { T } }∼N⊃∼T∼N⊃E​

E ? ?T $\frac { \sim \mathrm { N } \supset \mathrm { E } } { \sim \mathrm { N } \supset \sim \mathrm { T } }$