Free Logic: Selected Essays

Cambridge University Press (2002)

Free logic is an important field of philosophical logic that first appeared in the 1950s. J. Karel Lambert was one of its founders and coined the term itself. The essays in this collection explore the philosophical foundations of free logic and its application to areas as diverse as the philosophy of religion and computer science. Amongst the applications on offer are those to the analysis of existence statements, to definite descriptions and to partial functions. The volume contains a proof that free logics of any kind are non-extensional and then uses that proof to show that Quine's theory of predication and referential transparency must fail. The purpose of this collection is to bring an important body of work to the attention of a new generation of professional philosophers, computer scientists and mathematicians.
Keywords Free logic
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Reprint years 2003, 2005, 2007, 2012
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Call number BC129.L34 2003
ISBN(s) 9780521039222   9780521818162
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What is the Problem of Non-Existence?Tim Crane - 2012 - Philosophia 40 (3):417-434.
Mental Probability Logic.Niki Pfeifer & Gernot D. Kleiter - 2009 - Behavioral and Brain Sciences 32 (1):98-99.
Partly Free Semantics for Some Anderson-Like Ontological Proofs.Mirosław Szatkowski - 2011 - Journal of Logic, Language and Information 20 (4):475-512.

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Philosophical Applications of Free Logic.Karel Lambert (ed.) - 1991 - Oxford University Press.
From Predication to Programming.Karel Lambert - 2001 - Minds and Machines 11 (2):257-265.
Karel Lambert Free Logic: Selected Essays.G. Landini - 2004 - History and Philosophy of Logic 25:244-249.
On the Philosophical Foundations of Free Logic.Karel Lambert - 1981 - Inquiry: An Interdisciplinary Journal of Philosophy 24 (2):147 – 203.
REVIEWS-Free Logic: Selected Essays.K. Lambert & David DeVidi - 2003 - Bulletin of Symbolic Logic 9 (4):521-523.
On the Philosophical Foundations of Free Description Theory.Karel Lambert - 1987 - History and Philosophy of Logic 8 (1):57-66.
How to Be Really Contraction Free.Greg Restall - 1993 - Studia Logica 52 (3):381 - 391.


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