Lucius Annaeus Seneca (c. 4 B.C.E.—65 C.E.) The ancient Roman philosopher Seneca was a Stoic who adopted and argued largely from within the framework he inherited from his Stoic predecessors. His Letters to Lucilius have long been widely read Stoic texts. Seneca’s texts have many aims: he writes to exhort readers to philosophy, to encourage them to continue study, to articulate his philosophical position, to

Chrysippus (c. 280—207 B.C.E.) Chrysippus was among the most influential philosophers of the Hellenistic period. He is usually thought of as the most important influence on Stoicism. A later Stoic catchphrase ran, “If Chrysippus had not existed, neither would the Stoa.” (Lives 292). Carneades, the fourth Chair of the New Academy, modified the phrase to, “If Chrysippus had not existed, neither would I.” (Lives 438)

Art and Interpretation Interpretation in art refers to the attribution of meaning to a work. A point on which people often disagree is whether the artist’s or author’s intention is relevant to the interpretation of the work. In the Anglo-American analytic philosophy of art, views about interpretation branch into two major camps: intentionalism and anti-intentionalism, with an initial focus on one art, namely literature. The

Altruism and Group Selection Ever since Darwin created his theory of evolution in the nineteenth century, and especially since the nineteen sixties, scientists and philosophers of science have been intensely debating whether and how selection occurs at the level of the group. The debates over group selection maintain their vitality for several reasons: because group selection may explain the evolution of altruism; because “altruistic” traits—traits

Philosophy of Mental Illness The Philosophy of Mental Illness is an interdisciplinary field of study that combines views and methods from the philosophy of mind, psychology, neuroscience, and moral philosophy in order to analyze the nature of mental illness. Philosophers of mental illness are concerned with examining the ontological, epistemological, and normative issues arising from varying conceptions of mental illness. Central questions within the philosophy

Parmenides of Elea (Late 6th cn.—Mid 5th cn. B.C.E.) Parmenides of Elea was a Presocratic Greek philosopher. As the first philosopher to inquire into the nature of existence itself, he is incontrovertibly credited as the “Father of Metaphysics.” As the first to employ deductive, a priori arguments to justify his claims, he competes with Aristotle for the title “Father of Logic.” He is also commonly