Logical Fallacies Do Not Require Intent

Some people mistakenly believe that a logical fallacy requires an intent to deceive. The truth is —

“The logical nature of a fallacy is independent of the intention of the party using it.”

From — “The science of logic; an inquiry into the principles of accurate thought and scientific method”, by Peter Coffey, London, New York [etc.] Longmans, Green and co., 1912, page 300

This is why we can reject the claim “1+1=3” – even though we cannot prove it was intended to deceive us.

Sophistry is the intent to deceive with logical fallacies.

Paralogism is a logical fallacy that deceives – unintentionally.

“Some fallacies are committed intentionally (to manipulate or persuade by deception), others unintentionally due to carelessness or ignorance.” – Wikipedia

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