association fallacy illustration, logic, philosophy, arguments, reason, thinking

Association Fallacy (Guilt by Association and Honor by Association)

Arguing that because two things share (or are implied to share) some property, they are the same.

argumentum ad populum, fallacies, logic, philosophy, appeal to the majority, appeal to the people, appeal to widespread belief, bandwagon argument

Appeal to the Majority (Appeal to Widespread Belief, Bandwagon Argument, Appeal to the People, Argumentum Ad Populum)

A proposition is claimed to be true or good solely because a majority or many people believe it to be so.

chronological snobbery fallacy - logic - clock on table

Fallacies – Chronological Snobbery

A thesis is deemed incorrect because it was commonly held when something else, known to be false, was also commonly held.

Fallacies – Argument From Ignorance (Appeal to Ignorance, Argumentum ad Ignorantiam)

Assuming that a claim is true because it has not been or cannot be proven false, or vice versa.

argument from incredulity - appeal to common sense

Fallacies – Argument From Incredulity (Appeal to Common Sense)

"I cannot imagine how this could be true; therefore, it must be false."

argument from fallacy - or fallacy fallacy - illustration - chemistry, chemical equation, sulfur dioxide, hydrogen sulfide, sulfur, water, dihydrogen oxide

Fallacies – Argument From Fallacy (the Fallacy Fallacy)

Assumption that if an argument for some conclusion is fallacious, the conclusion must also be false.

argument from authority fallacy - logical fallacies series - illustration - incompetent math teacher

Fallacies – Argument From Authority (Appeal to Authority or Argumentum Ad Verecundiam)

A claimed authority's support is used as evidence for an argument's conclusion.

fallacy of division - logic - picture of puzzle pieces, mostly blue, but not entirely

Fallacies – Fallacy of Division

Assuming that something which is true of a thing must also be true of some or all of its parts (reverse of the Fallacy of Composition).

picture of whole with different parts (brick wall with bricks of different colors) - composition fallacy - logic

Fallacies – Fallacy of Composition

Assuming that something true of part of the whole must also be true of the whole.

genetic fallacy - fallacies - logic - DNA - deoxyribonucleic acid

Fallacies – Genetic Fallacy

"I shall never be ashamed of citing a bad author if the line is good." - Seneca