Topia!: Science: Math: Logic and Foundations: Nonstandard Logics and Extensions (59) Dynamic Logic@ (4) Fuzzy Logic (topiasearch) Intuitionistic Logic (topiasearch) Many-valued Logic (topiasearch) Set Theory@ (24) Substructural Logics (topiasearch) Temporal Logic (topiasearch) Non Standard Logics - A comprehensive listing of flavours of non-standard logic with brief descriptions and references, compiled by Peter Suber. 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. Modal Logic - Originally the study of deductive behavior of the expressions `it is necessary that' and `it is possible that', now also includes logics for belief, tense, the deontic (moral) expressions. From the Stanford Encyclopedia, by James W. Garson. 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. Computational Tools for Modal Logic - Resources collected by Renate Schmidt. What are Weak Arithmetics - Notes defining the subject. Available in HTML and PS formats. Mally's Deontic Logic - Discussion of Ernst Mally's logic of obligation; from the Stanford Encyclopedia by Gert-Jan Lokhorst. Topics in Logic and Proof Theory - Brief introductions to combinatory logic, the incompleteness theorems and independence results, by Andrew D Burbanks. Additional categories: clarks shoes Fulmarque Inc dvd players Chopard drill press

Nonstandard Logics and Extensions