Look up tautological in Wiktionary, the free dictionary.
In mathematics, tautological may refer to:
Logic:
Geometry, where it is used as an alternative to canonical:
- Tautological bundle
 - Tautological line bundle
 - Tautological one-form
 - Tautology (grammar), unnecessary repetition, or more words than necessary, to say the same thing.
 
See also
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