Registry · Theorem I.T13 tau-effective formalized

I.T13 — Explosion Barrier

In Truth4, B = 'both true and false' does NOT cause explosion (ex falso quodlibet). B-witnesses and not-B-witnesses live in different spectral sectors. Structural theorem, not axiom choice.

Book I Part 12 Ch. 47

Dependency Graph

Depends on (1)

I.D21

Depended on by (3)

I.D41 I.P13 I.P27

Lean Formalization

Module: TauLib.BookI.Logic.Explosion

Symbol: Tau.Logic.explosion_barrier