Geodesic

Tome 42 (2006) no. 4

Sommaire

A logic of orthogonality
p. 309-334
Initial normal covers in bi-Heyting toposes
p. 335-356
On universality of semigroup varieties
p. 357-386
Relative commutator associated with varieties of $n$-nilpotent and of $n$-solvable groups
p. 387-396
Natural weak factorization systems
p. 397-408
Sublocale sets and sublocale lattices
p. 409-418
On corings and comodules
p. 419-425
Clone properties of topological spaces
p. 427-440