Chapter 9 Predicate Logic: Truth Trees The Logic Book by Merrie Bergmann, James Moor, Jack Nelson Notes by Alex Guevara Contents 9.1 Expanding the Rules for Truth-Trees 9.2 Truth-Trees and Quantificational Consistency 9.3 Truth-Trees and Other Semantic Properties 9.4 Trees for PLI 9.5 Fine-Tuning the Tree Method