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math.LO2018
A topos view of the type-2 fuzzy truth value algebra
John Harding, Carol Walker
It is known that fuzzy set theory can be viewed as taking place within a topos. There are several equivalent ways to construct this topos, one is as the topos of étalé spaces over…
math.LO2017
The Convolution Algebra
John Harding, Carol Walker, Elbert Walker
For a complete lattice and a relational structure , we introduce the convolution algebra . This algebra consists of the lattice $L^X…