Irreflexive modality as a new logical connective in the Dummett logic
A. D. Yashin · Siberian Mathematical Journal · 2014
We give an example of a countable family of extensions of Dummett’s superintuitionistic logic LC in a language with one extra unary logical connective each of them defining a new logical connective in LC in the sense of Novikov, and every two logics in this family are incompatible over LC .