On the semilattice of modal operators and decompositions of the discriminator
classification
🧮 math.LO
keywords
modaloperatorsdiscriminatorsemilatticealgebraalgebrasassociatedbi--modal
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We investigate the join semilattice of modal operators on a Boolean algebra $B$. Furthermore, we consider pairs $(f,g)$ of modal operators whose supremum is the unary discriminator on $B$, and study the associated bi--modal algebras.
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