The word "logic" originates from the Greek word "logos", which has a variety of translations, such as reason, discourse, or language. Logic is traditionally defined as the study of the laws of thought or

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 … 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 …

• 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; …

Premises, conclusions, and truth
Premises and conclusions
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 … 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 … See more

• Philosophy portal
• Critical thinking – Analysis of facts to form a judgment
• List of logic journals See more