Wikipedia (free encyclopedia) article.
Article in the Stanford Encyclopaedia of Philosophy by John L. Bell. Infinitary Logic is a branch of formal logic where finitary formulae are replaced by potentially infinitary mathematical entities.
Logic System Interrelationships
Shows how a number of representative logics fit together. The interrelationships usually given as something of the form: System X is system Y plus the axiom Z. By John Halleck.
Non Standard Logics
A comprehensive listing of flavours of non-standard logic with brief descriptions and references, compiled by Peter Suber.
What are Weak Arithmetics
Notes defining the subject. Available in HTML and PS formats.
Last update:February 24, 2016 at 7:15:05 UTC