Sic et Non

12th-century text by Peter Abelard

Sic et Non, an early scholastic text whose title translates from Medieval Latin as "Yes and No", was written by Peter Abelard. In the work, Abelard juxtaposes apparently contradictory quotations from the Church Fathers on many of the traditional topics of Christian theology. In the Prologue, Abelard outlines rules for reconciling these contradictions, the most important of which is noting the multiple significations of a single word. However, Abelard does not himself apply these rules in the body of the Sic et Non, which has led scholars to conclude that the work was meant as an exercise book for students in applying dialectic (logic) to theology.

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