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occurred in the textbooks of medieval logicians. Hubien (1975,1977) did the same in recent articles and other modern logicians with interest in the history of their field of knowledge, or students of the history of logic with knowledge of modern achievements in this field, could be mentioned. For example, Trentman (1977:41) in his recent edition of Vincent Ferrer's Tractatus de Suppositionibus, 'Treatise on suppositions', elucidates Ferrer's theory of natural supposition with the aid of modern logic and points out that in some respects, for example, in the theory of irltensionality, modern theories have been developed with little more success. In the Middle Ages, semantics and logic were entirely interwoven. For, in the opinion of medieval philosophers, thought is enacted in language. This very same language consists of meaningful entities and those entities form propositions that may be used as premisses in argument. In their opinion, language and thought were both related to reality in a natural way (cf. De Rijk, 1977:233). This is also evident from Marsilius' works (cf., e.g., p. 54, n. 11-23). The semantical presuppositions oT the propositions that may be used in arguments, are analysed. This, indeed, is one of the contributions to logic by medieval logicians (cf. Moody, 1975:385).
List of contents
I. Introduction.- 1. Preliminary Remarks.- 2. Marsilius of Inghen's life and Works.- 3. Marsilius' Teachings.- 4. Conspectus of the Manuscripts, Incunabula and Post-Incunabula.- 5. The Establishment of the Present Edition.- 6. Title of the Treatises.- II. Text and Translation.- List of Signs.- Apparatus Criticus.- III. Notes to the Text.- 1. Notes to the Suppositiones.- 2. Notes to the Ampliationes.- 3. Notes to the Appellationes.- 4. Notes to the Restrictiones and Alienationes.- IV. Appendices.- 10.1007/978-94-009-6946-9_13.- 10.1007/978-94-009-6946-9_14.- 10.1007/978-94-009-6946-9_15.- 10.1007/978-94-009-6946-9_16.- Indexes to the Latin Text.- Indexes to the Introduction, Notes, And Appendices.- Index of Manuscripts.
