Logic versus approximation. Essays dedicated to Michael M. Richter on the occasion of his 65th birthday. (Q1890181)

The articles of this volume will be reviewed individually. Indexed articles: \textit{Hájek, Petr}, A true unprovable formula of fuzzy predicate logic, 1-5 [Zbl 1099.03017] \textit{Klawonn, Frank; Kruse, Rudolf}, The inherent indistinguishability in fuzzy systems, 6-17 [Zbl 1099.03511] \textit{Kleine Büning, Hans; Zhao, Xishun}, On models for quantified Boolean formulas, 18-32 [Zbl 1099.68056] \textit{Mougouie, Babak}, Polynomial algorithms for MPSP using parametric linear programming, 33-42 [Zbl 1099.68016] \textit{Oberschelp, Walter}, Discrete and continuous methods of demography, 43-58 [Zbl 1100.92048] \textit{Schinzel, Britta}, Computer science between symbolic representation and open construction, 59-76 [Zbl 1099.68500] \textit{Lenski, Wolfgang}, Towards a theory of information, 77-105 [Zbl 1099.03504] \textit{Kämpke, Thomas}, Retrieval by structure from chemical data bases, 106-119 [Zbl 1099.68619] \textit{Wegener, Ingo}, Randomized search heuristics as an alternative to exact optimization, 138-149 [Zbl 1099.68743] \textit{Stahl, Armin}, Approximation of utility functions by learning similarity measures, 150-172 [Zbl 1099.68701] \textit{Richter, Michael M.}, Logic and approximation in knowledge based systems, 184-203 [Zbl 1099.68747]