Number of items: **54**.

CT-1991-12:
Apt, Krzysztof R. and Pedreschi, Dino
(1991)
*Reasoning about Termination of Prolog Programs.*
[Report]

X-1991-09:
Beklemishev, L.D.
(1991)
*On Bimodal Provability Logics for P1-axiomatized Extensions of Arithmetical Theories.*
[Report]

ML-1991-02:
Berarducci, Alessandro and Verbrugge, Rineke
(1991)
*On the Metamathematics of Weak Theories.*
[Report]

ML-1991-06:
Bethke, Inge
(1991)
*Finite Type Structures within Combinatory Algebras.*
[Report]

ML-1991-08:
Bethke, Inge
(1991)
*Going Stable in Graph Models.*
[Report]

X-1991-18:
Cepparello, Giovanna
(1991)
*New Semantics for Predicate Modal Logic: an Analysis from a standard point of view.*
[Report]

X-1991-01:
Chagrov, Alexander and Zakharyaschev, Michael
(1991)
*The Disjunction Property of Intermediate Propositional Logics.*
[Report]

X-1991-02:
Chagrov, Alexander and Zakharyaschev, Michael
(1991)
*On the Undecidability of the Disjunction Property of Intermediate Propositional Logics.*
[Report]

CT-1991-08:
Doets, Kees
(1991)
*Levationis Laus.*
[Report]

X-1991-08:
Dzhaparidze, Giorgie
(1991)
*Logic of Tolerance.*
[Report]

ML-1991-10:
de Rijke, Maarten and Venema, Yde
(1991)
*Sahlqvist's Theorem for Boolean Algebras with Operators.*
[Report]

LP-1991-01:
der Hoek, Wiebe van and de Rijke, Maarten
(1991)
*Generalized Quantifiers and Modal Logic.*
[Report]

LP-1991-03:
Groeneveld, Willem
(1991)
*Dynamic Semantics and Circular Propositions (superseded by X-1992-03).*
[Report]

CT-1991-11:
Hemachandra, Lane A. and Spaan, Edith
(1991)
*Quasi-Injective Reductions.*
[Report]

X-1991-12:
Hendriks, Herman
(1991)
*Flexibele Categoriale Syntaxis en Semantiek: de proefschriften van Frans Zwarts en Michael Moortgat.*
[Report]

ML-1991-04:
Hoofman, Raymond and Schellinx, Harold
(1991)
*Collapsing Graph Models by Preorders.*
[Report]

LP-1991-06:
Huang, Zhisheng and van Emde Boas, Peter
(1991)
*Belief Dependence, Revision and Persistence.*
[Report]

LP-1991-05:
Huang, Zhisheng and van Emde Boas, Peter
(1991)
*The Schoenmakers Paradox: Its Solution in a Belief Dependence Framework.*
[Report]

X-1991-04:
Ignatiev, K.N.
(1991)
*Partial Conservativity and Modal Logics.*
[Report]

LP-1991-04:
Kanazawa, Makoto
(1991)
*The Lambek Calculus enriched with Additional Connectives.*
[Report]

X-1991-16:
Kanovei, V.G.
(1991)
*Undecidable Hypotheses in Edward Nelson's Internal Set Theory.*
[Report]

X-1991-14:
Kanovich, Max I.
(1991)
*The Horn Fragment of Linear Logic is NP-Complete.*
[Report]

X-1991-13:
Kanovich, Max I.
(1991)
*The Multiplicative Fragment of Linear Logic is NP-Complete.*
[Report]

CT-1991-07:
Kwast, Karen L.
(1991)
*The Incomplete Database.*
[Report]

CT-1991-02:
Li, Ming and Tromp, John and Vitányi, Paul M.B.
(1991)
*How to Share Concurrent Wait-Free Variables.*
[Report]

CT-1991-03:
Li, Ming and Vitányi, Paul M.B.
(1991)
*Average Case Complexity under the Universal Distribution Equals Worst Case Complexity.*
[Report]

CT-1991-09:
Li, Ming and Vitányi, Paul M.B.
(1991)
*Combinatorial Properties of Finite Sequences with high Kolmogorov Complexity.*
[Report]

CT-1991-01:
Li, Ming and Vitányi, Paul M.B.
(1991)
*Kolmogorov Complexity Arguments in Combinatorics.*
[Report]

LP-1991-09:
Nieuwendijk, Arthur
(1991)
*Semantics and Comparative Logic.*
[Report]

CL-1991-03:
Prüst, Hub and Scha, Remko and den Berg, Martin van
(1991)
*A Formal Discourse Grammar tackling Verb Phrase Anaphora.*
[Report]

CL-1991-01:
Scholtes, J.C.
(1991)
*Kohonen Feature Maps in Natural Language Processing.*
[Report]

CL-1991-02:
Scholtes, J.C.
(1991)
*Neural Nets and their Relevance for Information Retrieval.*
[Report]

X-1991-15:
Shavrukov, V. Yu.
(1991)
*Subalgebras of Diagonalizable Algebras of Theories containing Arithmetic (revised version of X-1991-03).*
[Report]

X-1991-03:
Shavrukov, V. Yu.
(1991)
*Subalgebras of Diagonalizable Algebras of Theories containing Arithmetic (superseded by X-1991-15).*
[Report]

ML-1991-09:
Shavrukov, V.Yu.
(1991)
*A Note on the Diagonalizable Algebras of PA and ZF.*
[Report]

CT-1991-06:
Spaan, Edith
(1991)
*Census Techniques on Relativized Space Classes.*
[Report]

ML-1991-05:
Troelstra, A.S.
(1991)
*History of Constructivism in the Twentieth Century.*
[Report]

X-1991-07:
Troelstra, A.S.
(1991)
*Lectures on Linear Logic, Errata and Supplement.*
[Report]

CT-1991-10:
Tromp, John and Vitányi, Paul
(1991)
*A Randomized Algorithm for Two-Process Wait-Free Test-and-Set.*
[Report]

LP-1991-08:
Valencia, Víctor Sánchez
(1991)
*Categorial Grammar and Natural Reasoning.*
[Report]

LP-1991-02:
Veltman, Frank
(1991)
*Defaults in Update Semantics.*
[Report]

ML-1991-01:
Venema, Yde
(1991)
*Cylindric Modal Logic.*
[Report]

ML-1991-07:
Venema, Yde
(1991)
*Modal Derivation Rules.*
[Report]

ML-1991-11:
Verbrugge, Rineke
(1991)
*Feasible Interpretability.*
[Report]

LP-1991-07:
Verkuyl, Henk and der Does, Jaap van
(1991)
*The Semantics of Plural Noun Phrases.*
[Report]

LP-1991-10:
van Benthem, Johan
(1991)
*Logic and the Flow of Information.*
[Report]

ML-1991-12:
van Benthem, Johan
(1991)
*Modal Frame Classes, revisited.*
[Report]

X-1991-05:
van Benthem, Johan
(1991)
*Temporal Logic.*
[Report]

CT-1991-04:
van Denneheuvel, Sieger and Kwast, Karen
(1991)
*Weak Equivalence.*
[Report]

CT-1991-05:
van Denneheuvel, Sieger and Kwast, Karen
(1991)
*Weak Equivalence for Constraint Sets.*
[Report]

X-1991-17:
van Lambalgen, Michiel
(1991)
*Independence, Randomness and the Axiom of Choice (Revised Version of X-1991-10).*
[Report]

X-1991-10:
van Lambalgen, Michiel
(1991)
*Independence, Randomness and the Axiom of Choice (superseded by X-1991-17).*
[Report]

X-1991-11:
Zakharyaschev, Michael
(1991)
*Canonical Formulas for K4. Part I: Basic Results.*
[Report]

ML-1991-03:
Zambella, Domenico
(1991)
*On the Proofs of Arithmetical Completeness for Interpretability Logic.*
[Report]