The following publications are possibly variants of this publication:
- Non Contradiction, Excluded Middle, and Fuzzy SetsEnric Trillas. wilf 2009: 1-11 [doi]
- Searching for the roots of non-contradiction and excluded-middleEnric Trillas, Claudi Alsina, Ana Pradera. ijgs, 31(5):499-513, 2002. [doi]
- Some algebraic clues towards a syntactic view on the Principles of Non-Contradiction and Excluded-MiddleEnric Trillas, Itziar García-Honrado, S. Termini. ijgs, 43(2):162-171, 2014. [doi]