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'''Prior Analytics''' is [[Aristotle]]'s work on [[logic|deductive reasoning]]. It contains his exposition of the 'syllogistic', where three important principles are applied for the first time in history:<ref>Bochenski p. 63</ref> the use of variables, a purely formal treatment, and the use of an axiomatic system.  

'''Prior Analytics''' is [[Aristotle]]'s work on [[logic|deductive reasoning]]. It contains his exposition of the 'syllogistic', where three important principles are applied for the first time in history:<ref>Bochenski p. 63</ref> the use of variables, a purely formal treatment of reasoning, and the use of an axiomatic system.  

The is part of a larger work called the ''[[Organon]]''an ''instrument'' or ''manual'' of [[logic]] and method.  It is the first part of the ''Analytics'' (the second being the ''Posterior Analytics''). The Prior Analytics gives an account of deduction in general, the Posterior Analytics deals with demonstrative science.  

The book is part of a larger work called the ''[[Organon]]''an ''instrument'' or ''manual'' of [[logic]] and method.  It is the first part of the ''Analytics'' (the second being the ''Posterior Analytics''). Whereas the Prior Analytics gives an account of deduction in general, the Posterior Analytics deals with demonstrative science.  

Following the collapse of the Western Roman Empire in the fifth century, much of the ''Organon'' was lost in the Latin West, including the the ''Prior'' and ''Posterior'' analytics.  These works were not recovered in the West until the twelfth and early thirteenth century, together with the ''Topics'', and the ''Sophistical Refutations''.   

Following the collapse of the Western Roman Empire in the fifth century, much of the ''Organon'' was lost in the Latin West, including the the ''Prior'' and ''Posterior'' analytics.  These works were not recovered in the West until the twelfth and early thirteenth century, together with the ''Topics'', and the ''Sophistical Refutations''.   

Aristotle's theory of the syllogism was fundamental to so-called ''traditional'' logic, which dominated Western thought about reasoning and argumentation until the late nineteenth century.  

Aristotle's theory of the argumentation was fundamental to so-called ''traditional'' logic, which dominated Western thought about reasoning and argumentation until the late nineteenth century.