Combining Texts
Ideas for
'Logical Pluralism', 'On Sense and Reference' and 'Political Liberalism'
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20 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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13235
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Logic studies consequence; logical truths are consequences of everything, or nothing [Beall/Restall]
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13238
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Syllogisms are only logic when they use variables, and not concrete terms [Beall/Restall]
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5. Theory of Logic / A. Overview of Logic / 2. History of Logic
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13234
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The view of logic as knowing a body of truths looks out-of-date [Beall/Restall]
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5. Theory of Logic / A. Overview of Logic / 4. Pure Logic
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13232
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Logic studies arguments, not formal languages; this involves interpretations [Beall/Restall]
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5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics
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13241
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The model theory of classical predicate logic is mathematics [Beall/Restall]
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5. Theory of Logic / B. Logical Consequence / 2. Types of Consequence
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13253
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There are several different consequence relations [Beall/Restall]
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5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
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13240
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A sentence follows from others if they always model it [Beall/Restall]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names
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18772
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We can treat designation by a few words as a proper name [Frege]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / b. Names as descriptive
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14075
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Proper name in modal contexts refer obliquely, to their usual sense [Frege, by Gibbard]
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10424
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A Fregean proper name has a sense determining an object, instead of a concept [Frege, by Sainsbury]
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18773
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People may have different senses for 'Aristotle', like 'pupil of Plato' or 'teacher of Alexander' [Frege]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
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4978
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The meaning of a proper name is the designated object [Frege]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / d. Singular terms
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10510
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Frege ascribes reference to incomplete expressions, as well as to singular terms [Frege, by Hale]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
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18937
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If sentences have a 'sense', empty name sentences can be understood that way [Frege, by Sawyer]
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18940
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It is a weakness of natural languages to contain non-denoting names [Frege]
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18939
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In a logically perfect language every well-formed proper name designates an object [Frege]
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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
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13236
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Logical truth is much more important if mathematics rests on it, as logicism claims [Beall/Restall]
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5. Theory of Logic / I. Semantics of Logic / 6. Intensionalism
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9462
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Frege is intensionalist about reference, as it is determined by sense; identity of objects comes first [Frege, by Jacquette]
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18936
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Frege moved from extensional to intensional semantics when he added the idea of 'sense' [Frege, by Sawyer]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / d. The Preface paradox
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13237
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Preface Paradox affirms and denies the conjunction of propositions in the book [Beall/Restall]
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