Abelard was educated in the secular liberal arts, particularly logic, before he turned to theology and became a monk. How did this background in secular higher education affect his theological work?

In The Letters of Abelard and Heloise, Heloise is vehemently against marrying Abelard. On what grounds does she oppose the marriage, and what evidence does she use to make her case? 

How did Abelard and St Bernard differ in their views on ecclesiastical education? How did these differences inform their larger conflict?