Rhetical Device Project

3rd Period Group 6

False Authority

Definition

Using Biased, suspicious, or incredible source to defend a conclusion.

Examples

Ex. "X is true because I said so."
AXE Apollo Fireman Ad

Incorrect Premise

Definition

forms the basis of and argument or syllogism.

Examples

Identical twins sometimes have different IQ test scores. Yet these twins inherit exactly the same genes. So environment must play some part in determining a person's IQ.
When comedians start from a false premise.

Categorical Claims

Definition

Any standard form categorical claim or any claim that means the same as some standard form categorical claim.

Examples

No pacifists will fight in a war. Dick is a pacifist. So Dick will not fight in a war.