Combining Texts
Ideas for
'Logical Pluralism', 'Empty Names' and 'Phaedrus'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
14 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
|
13235
|
Logic studies consequence; logical truths are consequences of everything, or nothing [Beall/Restall]
|
|
13238
|
Syllogisms are only logic when they use variables, and not concrete terms [Beall/Restall]
|
5. Theory of Logic / A. Overview of Logic / 2. History of Logic
|
13234
|
The view of logic as knowing a body of truths looks out-of-date [Beall/Restall]
|
5. Theory of Logic / A. Overview of Logic / 4. Pure Logic
|
13232
|
Logic studies arguments, not formal languages; this involves interpretations [Beall/Restall]
|
5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics
|
13241
|
The model theory of classical predicate logic is mathematics [Beall/Restall]
|
5. Theory of Logic / B. Logical Consequence / 2. Types of Consequence
|
13253
|
There are several different consequence relations [Beall/Restall]
|
5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
|
13240
|
A sentence follows from others if they always model it [Beall/Restall]
|
5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names
|
18935
|
Semantic theory should specify when an act of naming is successful [Sawyer]
|
5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
|
18945
|
Millians say a name just means its object [Sawyer]
|
5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
|
18934
|
Sentences with empty names can be understood, be co-referential, and even be true [Sawyer]
|
|
18938
|
Frege's compositional account of truth-vaues makes 'Pegasus doesn't exist' neither true nor false [Sawyer]
|
5. Theory of Logic / F. Referring in Logic / 2. Descriptions / c. Theory of definite descriptions
|
18947
|
Definites descriptions don't solve the empty names problem, because the properties may not exist [Sawyer]
|
5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
|
13236
|
Logical truth is much more important if mathematics rests on it, as logicism claims [Beall/Restall]
|
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / d. The Preface paradox
|
13237
|
Preface Paradox affirms and denies the conjunction of propositions in the book [Beall/Restall]
|