more from Alfred Tarski

Single Idea 19316

[catalogued under 3. Truth / F. Semantic Truth / 1. Tarski's Truth / b. Satisfaction and truth]

Full Idea

Tarski's great insight is find another property, since open sentences are not truth. It must be had be open and genuine sentences. Clauses having it must generate it for the whole sentence. Truth can be defined for sentences by using it.

Gist of Idea

Insight: don't use truth, use a property which can be compositional in complex quantified sentence

Source

report of Alfred Tarski (The Concept of Truth for Formalized Languages [1933]) by Richard L. Kirkham - Theories of Truth: a Critical Introduction 5.4

Book Reference

Kirkham,Richard L.: 'Theories of Truth: a Critical Introduction' [MIT 1995], p.152


A Reaction

The proposed property is 'satisfaction', which can (unlike truth) be a feature open sentences (such as 'x is green', which is satisfied by x='grass'),

Related Idea

Idea 19315 In quantified language the components of complex sentences may not be sentences [Kirkham]