The word "logic" originates from the Greek word "logos", which has a variety of translations, such as reason, discourse
Formal … See more

Premises and conclusions are the basic parts of inferences or arguments and therefore play a central role in logic. In the case of a valid inference or a correct argument, the conclusion follows from the premises, o… See more

Systems of logic are theoretical frameworks for assessing the correctness of reasoning and arguments. For over two thousand years, Aristotelian logic was treated as the canon of logic in the Western world, but modern de… See more

Logic is studied in various fields. In many cases, this is done by applying its formal method to specific topics outside its scope, like to ethics or computer science. In other cases, logic itself is made the subject of research i… See more

Logic was developed independently in several cultures during antiquity. One major early contributor was Aristotle, who developed term logic in his Organon and Prior Analytics. He was responsible for the introductio… See more

• Philosophy portal
• Glossary of logic – List of definitions of terms and concepts used in logic
• Outline of logic – Overview of and topical guide to logic… See more

• Barwise, Jon (1989). Handbook of Mathematical Logic. Elsevier. ISBN 978-0-08-093364-1.
• Belnap, Nuel (1977). "A useful four-valued logic". In Dunn, J. Michael; Epstein, George (eds.). Modern Uses of Multiple-val… See more