"Denying the Consequent" * If p, then q. * Not q. * Therefore, not p. Valid
Modus Tollens
"Affirming the antecedent" * If p, then q. * p. * Therefore, q. Valid
Modus Ponens
Hypothetical Syllogism
Disjunctive Syllogism
*FORMAL FALLACY
* If p,then q.
* Not p
* Therefore, not q.
INVALID
Denying the Antecedent
Affirming the Consequent
Deductive Argument
Inductive Argument
The tendency to emphasize evidence that agrees with what we think already
Confirmation Bias
Informal Fallacies
Appeal to Authority
Gambler’s Fallacy
Hasty Generalization
Availability Error
Genetic Fallacy
Composition
* The assumption that what is true of the whole must be true of the parts
Division
Abusive Ad Hominem (Appeal to the Person)
Circumstantial Ad Hominem
Ad Hominem Tu Quoque
Equivocation
Appeal to Popularity
Appeal to Tradition
Appeal to Ignorance