Logic is an integral part of philosophy and has been studied for centuries by philosophers interested in the ways we can reason. This branch of philosophy deals with understanding how arguments work as well as evaluating them to determine if they make sense or not. In other words, logic is a tool used by philosophers to gain insight into our thought processes and behavior.
The study of logic began in ancient Greece during the time of Plato and Aristotle. Both thinkers developed theories about logical reasoning that still form the basis for much modern philosophical thinking today. For example, Aristotle's syllogism was one of his most famous ideas, which involved using three statements - two premises followed by a conclusion - to reach a valid inference from those premises. This concept is still widely accepted today within both academic circles and everyday conversations alike.
In addition to these classical theories, there have also been many more recent developments in the field of logic over the past few centuries that continue to shape contemporary philosophies on reasoning. One such development was Gottlob Frege's systemization of predicate logic (or first-order logic) during the 19th century; this provided formal rules for making deductions based on sets of axioms and definitions rather than relying purely on intuition or experience like traditional Aristotelian approaches had done previously. Another influential figure was Bertrand Russell, who introduced type theory alongside Alfred North Whitehead at Cambridge University around 1910; This attempted to provide an alternative way of representing logical relationships between objects through various types assigned according to their properties instead of just using binary propositions (true/false).
These advances have allowed us greater precision when considering complex questions about reality and knowledge that involve multiple elements beyond simple "yes/no" answers given via classic deductive methods alone – something that would be impossible without utilizing some kind of sophisticated logical framework behind it all. As such, it should come as no surprise why so many great minds throughout history have devoted their lives to studying this fascinating subject matter because its importance cannot be understated when trying to understand ourselves better intellectually speaking.