Conversation so far:
What was Stephen Toulmin's revival of casuistry?
Toulmin collaborated with Albert Jonsen to demonstrate the effectiveness of casuistry in practical argumentation during the Middle Ages and the Renaissance, effectively reviving it as a permissible method of argument.
What were some of Stephen Toulmin's beliefs about revival of casuistry?
Casuistry employs absolutist principles, called type cases or paradigm cases, without resorting to absolutism. It uses the standard principles as referential markers in moral arguments.
Is there more information about these cases regarding casuistry?
An individual case is then compared and contrasted with the type case. Given an individual case that is completely identical to the type case, moral judgments can be made immediately.
What else is interesting about Stephen Toulmin's revival of casuistry besides his beliefs?
Casuistry is a process of reasoning also known as case ethics.
How did Stephen Toulmin relate casuistry to moral issues?
Through the procedure of casuistry, Stephen Toulmin and Jonsen identified three problematic situations in moral reasoning.

Question: what were the three problematic situations?
Self-contained rewrite: What were the three problematic situations in moral reasoning that Stephen Toulmin and Jonsen identified?