Single Idea 16331

[catalogued under 3. Truth / G. Axiomatic Truth / 3. KF Truth Axioms]

Full Idea

The Kripke-Feferman theory is relatively deductively very strong. In particular, it is much stronger than its competitor FS, which is based on a completely classical notion of truth.

Gist of Idea

The KF is much stronger deductively than FS, which relies on classical truth

Source

Volker Halbach (Axiomatic Theories of Truth [2011], 15.3)

Book Reference

Halbach,Volker: 'Axiomatic Theories of Truth' [CUP 2011], p.217


Related Ideas

Idea 16327 Friedman-Sheard is type-free Compositional Truth, with two inference rules for truth [Halbach]

Idea 16329 Kripke-Feferman theory KF axiomatises Kripke fixed-points, with Strong Kleene logic with gluts [Halbach]