Tautology may refer to:
- Tautology (language), a redundant statement in literature and rhetoric
- Tautology (logic), in formal logic, a statement that is true in every possible interpretation
- Tautology (rule of inference), a rule of replacement for logical expressions
See also
- Pleonasm
- Redundancy (disambiguation)
- Tautological (disambiguation)
- Tautonym, a scientific name of a species in which both parts of the name have the same spelling
This disambiguation page lists articles associated with the title Tautology.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: