(4) Two kinds of hypothetical arguments

Constructive, destructive, illustrations.

(5) Rule and two fallacies of the hypothetical argument.

Illustrations and application of rules.

Fallacy of denying antecedent.

Fallacy of affirming consequent.

Co-extensive hypotheticals.

(6) Hypothetical arguments reduced to the categorical form.

Rule, illustrations.

Hypothetical and categorical arguments compared.