Sommaire

Extended BCK-Ideal Based on Single-Valued Neutrosophic Hyper BCK-Ideals
Fundamental Relation on \((H_{v})BE\)-Algebras
Cut Elimination for Extended Sequent Calculi
On Implicative and Positive Implicative GE Algebras
A Category of Ordered Algebras Equivalent to the Category of Multialgebras
The Cardinal Squaring Principle and an Alternative Axiomatization of NFU