C J Ash: 2 books

Book cover of What Is Mathematical Logic?
by J. N. Crossley, J.C. Stillwell, C.J. Brickhill
Language: English
Release Date: August 29, 2012

Although mathematical logic can be a formidably abstruse topic, even for mathematicians, this concise book presents the subject in a lively and approachable fashion. It deals with the very important ideas in modern mathematical logic without the detailed mathematical work required of those with a...
Book cover of Computable Structures and the Hyperarithmetical Hierarchy
by C.J. Ash, J. Knight
Language: English
Release Date: June 16, 2000

This book describes a program of research in computable structure theory. The goal is to find definability conditions corresponding to bounds on complexity which persist under isomorphism. The results apply to familiar kinds of structures (groups, fields, vector spaces, linear orderings Boolean algebras,...
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