Covering relation in the language of mono-unary algebras with at most one constant symbol Cornelia Kalfa OriginalPaper Pages: 143 - 148
Prime elements in a localic topos Francis BorceuxMaria-Cristina Pedicchio OriginalPaper Pages: 166 - 177
Preservation of bi-endomorphic composition by categorical reflection Isidore Fleischer OriginalPaper Pages: 181 - 186
Every Hamiltonian variety has the congruence extension property – A short proof Victoria GouldMarcel Wild OriginalPaper Pages: 187 - 188
Two new algebraic equivalents to the axiom of choice Karl-Heinz Diener OriginalPaper Pages: 189 - 195
Non-Arguesian configurations and gluings of modular lattices Alan DayAnd Bjarni JÓnsson OriginalPaper Pages: 208 - 215
Varieties with decidable finite algebras II: Permutability PaweŁ M. Idziak OriginalPaper Pages: 247 - 256
