» Abstract Service
An archive of abstracts of logic articles at the Institute for Logic, University of Vienna.
http://www.logic.univie.ac.at/abstract/
» Classical Logic
Introduction to classical logic, including completeness and Löwenheim-Skolem theorems; by Stewart Shapiro.
http://plato.stanford.edu/entries/logic-classical/
» Computability Logic Homepage
Main online source on computability logic, - a recently emerged formal theory of computational tasks and resources. Maintained by G.Japaridze.
http://www.cis.upenn.edu/~giorgi/cl.html
» Logic
Open Encyclopedia entry. Hierarchically organized by subareas.
http://open-site.org/Science/Mathematics/Logic/
» Math Front: LO Logic
Front end for the logic section of the mathematics e-print arXiv.
http://front.math.ucdavis.edu/math.LO
» Mathematical Logic and Foundations
From The Mathematical Atlas, a resource of mathematics maintained by David Rusin. Extensive resources related to logic and set theory.
http://www.math.niu.edu/~rusin/known-math/index/03-XX.html
» Mind Versus Goedel by Damjan Bojadziev
Compares the mind to advanced computers and artificial intelligence, as Goedel would possibly view them.
http://nl.ijs.si/~damjan/g-m-c.html