Aristotle's Syllogistic

animals argument forms Aristotle array assertoric axioms belong Bochenski Bramantip-Baralipton Camenes Camenes-Celantes Camestres Celarent Cesare Chapter clusion complete arguments contraposition convention regarding premise counterexample technique Darapti Darii Datisi diagrams Disamis example extended argument fact false Ferio Festino figure moods figure or indirect figure syllogisms follows formal logic fourth figure Fresison-Frisesomorum gisms ideal Barbaras indirect moods invalid ises Kneales left-right factor Locke's Lukasiewicz major premise major term method of division middle term minor term Parmenides particular statement passage Plato possible Posterior Analytics predicated prem premise sets Prior Analytics propositions reason recognize reduced refuting regarding premise order Ross rules schemata second and third second figure seems set of premises subaltern moods syllogistic syllogistic conclusion Theophrastus third figure three figures three term notation three term schema tion true universal affirmative true universal negative universal conclusion valid conclusion valid moods W. D. Ross white things