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Single Idea 11174

[filed under theme 5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth ]

Full Idea

One wants to define a logical truth as one that is true in virtue of the nature of the logical concepts.

Gist of Idea

A logical truth is true in virtue of the nature of the logical concepts

Source

Kit Fine (Senses of Essence [1995], §3)

Book Ref

'Modality, Morality and Belief', ed/tr. Sinnott-Armstrong/Raffman/Asher [CUP 1995], p.57


A Reaction

This is part of Fine's project to give a revised account of essence, which includes the essence of concepts as well as the essence of objects. Everyone should pay close attention to this project.


The 7 ideas from 'Senses of Essence'

Logical concepts rest on certain inferences, not on facts about implications [Fine,K]
A logical truth is true in virtue of the nature of the logical concepts [Fine,K]
Being a man is a consequence of his essence, not constitutive of it [Fine,K]
The property of Property Abstraction says any suitable condition must imply a property [Fine,K]
Can the essence of an object circularly involve itself, or involve another object? [Fine,K]
If there are alternative definitions, then we have three possibilities for essence [Fine,K]
The essence or definition of an essence involves either a class of properties or a class of propositions [Fine,K]