Volume 27, Issue 1 | Algebra universalis

Search all Algebra universalis articles

Volume 27, Issue 1

March 1990

Filter by

Volume:

Sort by

Date published:

New to old Old to new

11 articles in this issue

Blocks and commutators in orthomodular lattices
Günter Bruns
Richard Greechie
OriginalPaper Pages: 1 - 9
Free lattices over join-trivial partial lattices
J. Ježek
V. Slavík
OriginalPaper Pages: 10 - 31
Maximal chains in interval algebras
Sabine Koppelberg
OriginalPaper Pages: 32 - 43
How many variables does a quasivariety need?
Jiří Adámek
OriginalPaper Pages: 44 - 48
Directoids: algebraic models of up-directed sets
J. Ježek
R. Quackenbush
OriginalPaper Pages: 49 - 69
On the two kinds of probability in algebra
Ralph Freese
OriginalPaper Pages: 70 - 79
The consistency of “ℸCH +pa ≤ ω₁”
Piotr Koszmider
OriginalPaper Pages: 80 - 87
The algebra of conditional logic
Fernando Guzmán
Craig C. Squier
OriginalPaper Pages: 88 - 110
Hyperidentities for some varieties of semigroups
Shelly L. Wismath
OriginalPaper Pages: 111 - 127
Congruence distributive quasivarieties whose finitely subdirectly irreducible members form a universal class
Janusz Czelakowski
Wiesław Dziobiak
OriginalPaper Pages: 128 - 149
A note on free algebras of discriminator algebras
Steven Seif
OriginalPaper Pages: 150 - 151