TY - JOUR AU - Moral Soriano, Leonor PY - 2008 SN - 0029-3105 UR - https://hdl.handle.net/10481/89424 LA - eng PB - School of Law at Queen's University Belfast KW - Precedents KW - Legal reasoning KW - Precedentes KW - Teoría de la argumentación TI - Precedents: reasoning by rules and reasoning by principles ER -