Peter Abelard's Sic et Non

Timeline

1. 1121–1125Paris · Île-de-FranceAbelard arranged 158 sets of seemingly opposed authoritative propositions from patristic and ecclesiastical texts, and in his preface set out a procedure for resolving disputes through reason, contextual analysis, and dialectic, pioneering the scholastic question set (quaestio).
2. 1141–1142Sens · BurgundyIn 1141 the Council of Sens, driven by Bernard and others, condemned several of Abelard's theological propositions and questioned his dialectical method; after Abelard's death in 1142, Sic et Non continued to circulate in the Parisian school as a foundational text of the scholastic dialectical tradition, influencing later scholars.