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math.LO2024
Diagrams of opposition: an algebraic viewpoint
Chai Wah Wu
We study the square of opposition and its various geometric generalizations from an algebraic viewpoint. In particular, we show how the various shapes of oppositions can be framed…
math.LO2022★ 2 cited
On rearrangement inequalities for T-norm logics
Chai Wah Wu
The rearrangement inequality states that the sum of products of permutations of 2 sequences of real numbers are maximized when the terms are similarly ordered and minimized when th…