Geodesic

Volume 30 (1991) no. 5

Sommaire

Elimination of quantifiers in Horn theories with a small
p. 513-516
Analogues of Rice's theorem for semantic classes of
p. 517-539
Identities of finite-dimensional nilpotent algebras
p. 540-556
Minimal modules over Pr\"ufer rings
p. 557-567
Fine hierarchy of formulas
p. 568-582
Axiomatizability and completeness of some classes of
p. 583-594
Finite graphs of groups with isomorphic fundamental groups
p. 595-623
Sessions of the seminar “Algebra i Logika”