New Entry by Clark Glymour and Frederick Eberhardt on August 24, 2008.] Described as perhaps "the greatest empiricist of the 20th century" (Salmon, 1977a), the work of Hans Reichenbach (1891 - 1953) provides one of the main statements of empiricist

New Entry by Alexander Paseau on August 24, 2008.] Contemporary philosophy's three main naturalisms are methodological, ontological and epistemological. Methodological naturalism states that the only authoritative standards are those of science. Ontological and epistemological naturalism respectively state that all entities