Syllogistic logicMain article: Aristotelian logicThe Organon was Aristotle's body of work on logic, with the Prior Analytics constituting the first explicit work in formal logic, introducing the syllo ...
In Europe, logic was first developed by Aristotle. Aristotelian logic became widely accepted in science and mathematics and remained in wide use in the West until the early 19th century. Aristotle's s ...
The concept of logical form is central to logic, it being held that the validity of an argument is determined by its logical form, not by its content. Traditional Aristotelian syllogistic logic and mo ...
Logic (from the Ancient Greek: λογικ?, logike) has two meanings: first, it describes the use of valid reasoning in some activity; second, it names the normative study of reasoning or a branch th ...