This 1995 book argues that a proper understanding of Aristotle's modal logic requires an appreciation of its connection to the metaphysics.Aristotle's Modal Logic presents a very new interpretation of Aristotle's logic by arguing that a proper understanding of the system depends on an appreciation of its connection to the metaphysics.Patterson establishes that there is a fundamental connection between Aristotle's logic of possibility and necessity, and his metaphysics, and that this connection extends far beyond the widely recognised tie to scientific demonstration and relates to the more basic distinction between the essential and accidental properties of a subject.Aristotle's Modal Logic presents a very new interpretation of Aristotle's logic by arguing that a proper understanding of the system depends on an appreciation of its connection to the metaphysics.Patterson establishes that there is a fundamental connection between Aristotle's logic of possibility and necessity, and his metaphysics, and that this connection extends far beyond the widely recognised tie to scientific demonstration and relates to the more basic distinction between the essential and accidental properties of a subject.Aristotle's Modal Logic presents a radically new interpretation of Aristotle's logic by arguing that a proper understanding of the system depends on an appreciation of its connection to the metaphysics. Patterson establishes that there is a fundamental connection between Aristotle's logic of possibility and necessity, and his metaphysics; that this connection extends far beyond the widely recognized tie to scientific demonstration and relates to the more basic distinction between the essential and accidental properties of a subject.1. Introduction; 2. The Basic Modal Proposition; 3. Syllogisms with Two Necessity Premises; 4. Mixed syllogisms: One Assertoric and One Necessity Premise; 5. Two-way possibilities: some basic preliminalÓÕ