Combining Texts
Ideas for
'', 'External and Internal Relations' and 'Model Theory'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
9 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
|
11211
|
If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt]
|
5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
|
10478
|
Since first-order languages are complete, |= and |- have the same meaning [Hodges,W]
|
5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=
|
10477
|
|= in model-theory means 'logical consequence' - it holds in all models [Hodges,W]
|
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
|
11210
|
Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]
|
|
11212
|
The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
|
5. Theory of Logic / I. Semantics of Logic / 4. Satisfaction
|
10474
|
|= should be read as 'is a model for' or 'satisfies' [Hodges,W]
|
5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
|
10473
|
Model theory studies formal or natural language-interpretation using set-theory [Hodges,W]
|
|
10475
|
A 'structure' is an interpretation specifying objects and classes of quantification [Hodges,W]
|
|
10481
|
Models in model theory are structures, not sets of descriptions [Hodges,W]
|