specification of the actual steps we take for determining their truth or falsity”. According to logical positivism, there are only two sources of knowledge: logical reasoning and empirical experience. The former is analytic a priori, while the latter is synthetic a posteriori; hence synthetic a priori knowledge does not exist (Murzi 7). For logical positivists, the meaning of a statement lies in the method of its verification. This means that a statement has meaning if, and only if, it is verifiable”
Traditional branches are cosmology and ontology. • Epistemology is concerned with the nature and scope of knowledge, and whether knowledge is possible. Among its central concerns has been the challenge posed by skepticism and the relationships between truth, belief, and justification. • Ethics, or 'moral philosophy', is concerned with questions of how persons ought to act or if such questions are answerable. The main branches of ethics are meta-ethics, normative ethics, and applied ethics.