{{Wiktionarypar|tautology}}
'''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
{{Disambiguation}}