Directory Sites

  • Non Standard Logics

    A comprehensive listing of flavours of non-standard logic with brief descriptions and references, compiled by Peter Suber.

    www.earlham.edu

  • Infinitary Logic

    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.

    plato.stanford.edu

  • 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.

    www.cc.utah.edu

  • What are Weak Arithmetics

    Notes defining the subject. Available in HTML and PS formats.

    www.univ-paris12.fr

  • Computability Logic

    Wikipedia (free encyclopedia) article.

    en.wikipedia.org

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