Conversation so far:
what was the revival of casuistry?
By reviving casuistry (also known as case ethics), Toulmin sought to find the middle ground between the extremes of absolutism and relativism.
what were some of his beliefs about this?
Casuistry employs absolutist principles, called "type cases" or "paradigm cases," without resorting to absolutism.
can you tell me more about these "cases"?
It uses the standard principles (for example, sanctity of life) as referential markers in moral arguments.
An individual case is then compared and contrasted with the type case.

Question: what else is interesting about casuistry?
Self-contained rewrite: What else is interesting about casuistry other than it's principles?