The summa logicae sum of logic is a textbook on logic by william of ockham. Selections from part i of william of ockhams summa logicae translation ockham. Systematically, it resembles other works of medieval logic, organised under the basic headings of the aristotelian predicables, categories, terms, propositions, and syllogisms. Scaling exponento scaling exponent2 scaling exponent3 scaling exponent4 2 2 a vj \ o 1 1 1 2 2 2 2 2 2 2 a 2 2 a 2 2 figure 3. Pdf suppositio and significatio in ockhams summa logicae. Freppert, the basis of morality according to william of ockham chicago. Noone without exception, every word of philosophy bonaventure ever wrote is contained in works explicitly religious in sermons, works of spiritual direction, and theology. Yet the paucity of english translations and the structural complexity of the latin have made the summa, until now, almost completely inaccessible. These headings, though often given in a different order.
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