<P> The use of syllogisms as a tool for understanding can be dated back to the logical reasoning discussions of Aristotle . Prior to the mid-twelfth century , medieval logicians were only familiar with a portion of Aristotle 's works , including titles such as Categories and On Interpretation , works that contributed heavily to the prevailing Old Logic , or `` logica vetus '' . The onset of a New Logic , or `` logica nova '' , arose alongside the reappearance of Prior Analytics , the work in which Aristotle develops his theory of the syllogism . </P>
<P> The use of syllogisms as a tool for understanding can be dated back to the logical reasoning discussions of Aristotle . Prior to the mid-twelfth century , medieval logicians were only familiar with a portion of Aristotle 's works , including titles such as Categories and On Interpretation , works that contributed heavily to the prevailing Old Logic , or `` logica vetus '' . The onset of a New Logic , or `` logica nova '' , arose alongside the reappearance of Prior Analytics , the work in which Aristotle develops his theory of the syllogism . </P>
who devised the technique syllogism to learn logic
who devised the technique syllogism to learn logic
Aristotle
Aristotle