Tautology: References & Edit History

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Article History

Type Description Contributor Date
Article title updated for style. Nov 04, 2026
Add new Web site: CiteSeerX - Short Proofs of Tautologies Using the Schema of Equivalence (PDF). Apr 04, 2025
Invalidated site: CiteSeerX - Short Proofs of Tautologies Using the Schema of Equivalence (PDF). Apr 04, 2025
Add new Web site: Stony Brook University - Department of Computer Science - Classical Tautologies and logiocal Equivalences (PDF). Feb 21, 2025
Add new Web site: Florida State University - Department of Mathematics - Tautology/Contradiction/Contingency. Dec 28, 2024
Add new Web site: Mathematics LibreTexts - Tautologies and contradictions. Oct 14, 2024
Add new Web site: CORE - Tautology Testing Reduction Method. Aug 10, 2024
Add new Web site: Cornell University - Department of Computer Science - Tautologies. Jun 11, 2024
Add new Web site: Story of Mathematics - Tautology οΏ½ Definition and Examples. Jan 13, 2024
Add new Web site: Academia - Corcoran's "Tautology" Revised. Sep 29, 2023
Changed disjunctive equivalent of "All humans are mammals" from "[for] anything whatsoever...either it is a human or it is not a mammal" to "[for] anything whatsoever...either it is not a human or it is a mammal." May 28, 2019
Add new Web site: Literary Devices - Tautology. Nov 05, 2018
Image of Charles Sanders Peirce added. Apr 16, 2015
Article revised. Apr 16, 2015
Added new Web site: Wolfram Mathworld - Tautology. Mar 05, 2009
Article added to new online database. Jul 20, 1998
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