Geodesic

Volume 22 (1983) no. 1

Sommaire

A means of modeling the classical second-order arithmetic
p. 3-25
The universal theory of the integers and the extended twin
p. 26-34
Relationships between degrees of tabular type
p. 35-52
Coverings in a lattice of $l$-varieties
p. 53-60
Freely generated projective planes
p. 61-78
Derivations of prime rings
p. 79-92
A characterization of groups with a finite periodic part
p. 93-112
Sessions of the seminar “Algebra i Logika”