RT Book T1 Ockham's theory of propositions T2 Wilhelm, von Ockham 1285-1347, The Summa logicae. JF The Summa logicae. A1 Wilhelm von Ockham 1285-1347 A2 Freddoso, Alfred J. 1946- LA English PP Notre Dame u.a. PB Univ. of Notre Dame Pr. YR 1980 UL https://ixtheo.de/Record/1078249016 CN 160 SN 0268014957 SN 0268014965