Although wrapping one’s brain around the concepts of positive, negative, and assertion-level logic can require some mental gymnastics, understanding these topics can be very rewarding. Although ...

The terms positive logic and negative logic refer to two conventions that dictate the relationship between logical values and the physical voltages used to represent them. Although the core concepts ...

Studia Logica: An International Journal for Symbolic Logic, Vol. 109, No. 4 (August 2021), pp. 829-857 (29 pages) Positive monotone modal logic is the negation- and implication-free fragment of ...

This is a preview. Log in through your library . Abstract I show that the lattice of the positive integers ordered by division is characteristic for Urquhart's positive semilattice relevance logic; ...