A Proof of Self-Proof
On
The Metamathematics of Belief
Introduction
Notation
Quining
Quanta
Four
Logical Quanta
Dualities
Evaluating
Four Quanta
Some
Tables
The
Miracle of Doubt
The
Failure of Shame
The
Fall of Pride
The
Vanity of Faith
How
heavy is your theory?
Paradoxes
of Orthodoxy
Do I
exist?
Cosmos
from Chaos
Summary
Appendix
1: A Dialectical Game
Appendix
2: A Proof of Self-Proof
Introduction
This
paper is about the mathematical logic of belief systems. I discuss four forms of self-reference, and
their paradoxical properties. These imply Gödel’s Incompleteness Theorems,
which in turn imply Löb’s Theorem.
Löb’s
Theorem says that any statement that asserts just its own provability is, in
fact, provable. It is a logical bootstrap; by declaring itself necessary, it
makes itself necessary. A Löbian statement, by its perfect faith in itself,
attains truth.
But
why? How can anything so vain as self-belief attain absolute certainty? Read
on, and I shall prove it to you.
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