The Journal of Symbolic Logic, Volume 34

Volume 34, Number 1, March 1969

Richmond H. Thomason, D. Randolph Johnson Jr.: Predicate Calculus with Free Quantifier Variables. 1-7
J. B. Florence: Partially Ordered Sets Representable by Recursively Enumerable Classes. 8-12
Matthew J. Hassett: Recursive Equivalence Types and Groups. 13-20
A. B. Slomson: An Undecidable Two Sorted Predicate Calculus. 21-23
Pavel Materna: Identity, Equivalence and Isomorphism of Problems. 24-34
David Makinson: A Normal Modal Calculus Between T and S4 Without the Finite Model Property. 35-38
Louise Hay: Index Sets of Finite Classes of Recursively Enumerable Sets. 39-44
Alfred B. Manaster: Rich Co-ordinals, Addition Isomorphisms, and Rets. 45-52
Robert I. Soare: Sets with no Subset of Higher Degrees. 53-56
Nino B. Cocchiarella: A Second Order Logic of Existence. 57-69
Erik Ellentuck: A Choice Free Theory of Dedekind Cardinals. 70-84
Manuel Lerman: Some Nondistributive Lattices as Initial Segments of the Degrees of Unsolvability. 85-98
Yiannis N. Moschovakis: Meeting of the Association for Symbolic Logic. 152-160

Gabor T. Herman: The Unsolvability of the Uniform Halting Problem for Two State Turing Machines. 161-165
J. Richard Büchi, Lawrence H. Landweber: Definability in the Monadic Second-Order Theory of Successor. 166-170
Stephen D. Comer: Finite Inseparability of Some Theories of Cylindrification Algebras. 171-176
Thomas J. Grilliot: Hierarchies Based on Objects of Finite Type. 177-182
Peter H. Krauss: Representation of Symmetric Probability Models. 183-193
James C. Owings Jr.: pi¹₁ Sets, omega-Sets, and Metacompleteness. 194-204
E. M. Kleinberg: The Independence of Ramsey's Theorem. 205-206
N. Z. Shapiro: Real Numbers and Functions in the Kleene Hierarchy and Limits of Recursive, Rational Functions. 207-214
R. A. Bull: Note on a Paper in Tense Logic. 215-218
Richard A. Platek: Eliminating the Continuum Hypothesis. 219-225
Jon Barwise: Infinitary Logic and Admissible Sets. 226-252
M. J. Cresswell: A Conjunctive Normal Form For S3.5. 253-255
Robert I. Soare: A Note on Degrees of Subsets. 256
R. A. Bull: On Modal Logic with Propositional Quantifiers. 257-263
John P. Burgess: Probability Logic. 264-274
P. D. Finch: On the Structure of Quantum Logic. 275-282
Ernest A. Edmonds: Independence of Rose's Axioms for m-Valued Implication. 283-284
Robert I. Soare: Constructive Order Types on Cuts. 285-289

Czeslaw Lejewski: Consistency of Lesniewski's Mereology. 321-328
M. J. Cresswell: The Elimination of De Re Modalities. 329-330
J. Donald Monk: Nonfinitizability of Classes of Representable Cylindric Algebras. 331-343
James S. Johnson: Nonfinitizability of Classes of Representable Polyadic Algebras. 344-352
Harvey Friedman: Bar Induction and Pi¹₁-CA¹. 353-362
J. C. E. Dekker: Countable Vector Spaces with Recursive Operations. Part I. 363-387
Jacob Manuel Plotkin: Generic Embeddings. 388-394
Alfred Horn: Logic with Truth Values in a Linearly Ordered Heyting Algebra. 395-408
Jon Barwise: Applications of Strict Pi¹₁ Predicates to Infinitary Logic. 409-423
M. Benda: Reduced Products and Nonstandard Logics. 424-436
Michael Makkai: On the Model Theory of Denumerably Long Formulas with Finite Strings of Quantifiers. 437-459
Robert K. Meyer, J. Michael Dunn: E, R, and gama. 460-474
Alfred Horn: Free L-Algebras. 475-480
Rudolf Grewe: Natural Models of Ackermann's Set Theory. 481-488
Carl G. Jockusch Jr.: The Degrees of Hyperhyperimmune Sets. 489-493
Andrzej Mostowski, Andrzej Blikle: Meeting of the Association for Symbolic Logic Warsaw 1968. 533-544

J. Roger Hindley: An Abstract Form of the Church-Rosser Theorem. I. 545-560
John T. Kearns: Combinatory Logic with Discriminators. 561-575
Abraham Robinson: Compactification of Groups and Rings and Nonstandard Analysis. 576-588
C. Ward Henson: Finite Sets in Quine's New Foundations. 589-596
James P. Jones: Effectively Retractable Theories and Degrees of Undecidability. 597-604
Yiannis N. Moschovakis: Abstract Computability and Invariant Definability. 605-633
Frank B. Cannonito, Mark Finkelstein: On Primitive Recursive Permutations and their Inverses. 634-638
Gabor T. Herman: A Simple Solution of the Uniform Halting Problem. 639-640