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Full Idea
The logical forms of the sentences in a language are those aspects of their meanings that determine the relations of deductive entailment holding amongst them.
Clarification
An 'entailment' is a valid step in logical reasoning
Gist of Idea
Logical form is the aspects of meaning that determine logical entailments
Source
Paul Horwich (Truth (2nd edn) [1990], Ch.6.30)
Book Ref
Horwich,Paul: 'Truth (2nd edn)' [OUP 1998], p.88
A Reaction
A helpful definition. Not all sentences, therefore, need to have a 'logical form'. Is the logical form the same as the underlying proposition. The two must converge, given that propositions lack the ambiguity that is often found in sentences.
| 23299 | Horwich's deflationary view is novel, because it relies on propositions rather than sentences [Horwich, by Davidson] |
| 6332 | The common-sense theory of correspondence has never been worked out satisfactorily [Horwich] |
| 6336 | No deflationary conception of truth does justice to the fact that we aim for truth [Horwich] |
| 6337 | The deflationary picture says believing a theory true is a trivial step after believing the theory [Horwich] |
| 6334 | The function of the truth predicate? Understanding 'true'? Meaning of 'true'? The concept of truth? A theory of truth? [Horwich] |
| 6335 | The redundancy theory cannot explain inferences from 'what x said is true' and 'x said p', to p [Horwich] |
| 6338 | We could know the truth-conditions of a foreign sentence without knowing its meaning [Horwich] |
| 6339 | Logical form is the aspects of meaning that determine logical entailments [Horwich] |
| 6340 | There are Fregean de dicto propositions, and Russellian de re propositions, or a mixture [Horwich] |
| 6341 | Right translation is a mapping of languages which preserves basic patterns of usage [Horwich] |
| 6342 | Some correspondence theories concern facts; others are built up through reference and satisfaction [Horwich] |
| 6344 | Truth is a useful concept for unarticulated propositions and generalisations about them [Horwich] |