It encompasses every area of rabbinic literature&colon; exegesis, homiletics, casuistry, Kabbalah, liturgics, and literary history. Blaise Pascal attacked what he called moral laxity in the casuistry of the Jesuits. Jesuits have been accused of using casuistry to obtain justifications for unjustifiable actions (cf. This led the friars of Paris to condemn Jesuit casuistry. Properly used, casuistry is powerful reasoning. The form of reasoning used in common law is known as casuistry or case-based reasoning. The medieval tradition in casuistry went under the name "casus conscientiae", "cases of conscience". The Jesuistic casuistry developed a similar theory, criticized by Blaise Pascal in the "Provincial Letters". The word "casuistry" derives from the Latin noun "casus" ("case" or "occurrence"). Casuistry was practiced widely during the Middle Ages and the Renaissance to resolve moral issues. By debating test cases applying such understanding conscience was trained and refined (i.e. casuistry). The rest of the letters are mainly an attack on Jesuit casuistry. However, Puritans were known for their own development of casuistry. Generally, the regional laws are based on Casuistry. This is called casuistry, and it could be implemented through research on the Internet.