Sophism

Explanation

A sophism is an apparently adequate but defective line of reasoning, often carrying a suggestion of deliberate deception. Some traditions distinguish it from paralogism by intention; that boundary is not universal. This explanation therefore does not infer deceit automatically from a demonstrated error.

Movement of thought

1. Reconstruct the apparent inference. 2. Show the defect. 3. Identify the relevant terminology. 4. Separate error from possible intention. 5. Enable a corrected assessment.

Example

“Every bank holds money; this river bank is a bank; therefore it holds money” shifts the meaning of “bank.”

Counter-test

An accidental calculation error does not prove sophistical intent.

Scientific use case

History of philosophy and argument analysis can separate inferential structure from historical evaluation.

Effect

An appearance of validity may secure unwarranted assent.

Resonance

The form sounds convincing until its concealed shift becomes audible.

Distinction

Distinguish an arbitrary false belief and the historical Sophists as a group.

Sources

• Aristoteles · On Sophistical Refutations

  Abschnitt 1, Teile 1–5: scheinbare Schlüsse und Mehrdeutigkeit

  documented-source-register · Historischer Primärtext in englischer Übersetzung; moderne Übertragungen sind redaktionelle Synthese.
• Stanford Encyclopedia of Philosophy · Fallacies

  Begriffsdefinition und im Quellenvergleich benannte Unterscheidung

  documented-source-register · Fachlicher Überblick; kein Ersatz für vollständige historische Primärquellenprüfung.