Computational Logic and Proof Theory

Paramodulation, superposition, and simplification.- Explaining Gentzen's consistency proof within infinitary proof theory.- Alogtime algorithms for tree isomorphism, comparison, and canonization.- Ultrafilter logic and generic reasoning.- Informal rigor and mathematical understanding.- Resolution, inverse method and the sequent calculus.- Subtyping over a lattice (abstract).- A new method for bounding the complexity of modal logics.- Parameter free induction and reflection.- Looking for an analogue of Rice's Theorem in circuit complexity theory.- Two connections between Linear Logic and ?ukasiewicz Logics.- Structuring of computer-generated proofs by cut introduction.- NaDSyL and some applications.- Markov's rule is admissible in the set theory with intuitionistic logic.- Bounded hyperset theory and web-like data bases.- Invariant definability.- Comparing computational representations of Herbrand models.- Restart tableaux with selection function.- Two semantics and logics based on the Gödel interpretation.- On the completeness and decidability of a restricted first order linear temporal logic.- Propositional quantification in intuitionistic logic.- Sketch-as-proof.- Translating set theoretical proofs into type theoretical programs.- Denotational semantics for polarized (but-non-constrained) LK by means of the additives.- The undecidability of simultaneous rigid E-unification with two variables.- The tangibility reflection principle for self-verifying axiom systems.- Upper bounds for standardizations and an application.