Chapter 12: The Principle of Computational Equivalence

Section 9: Implications for Mathematics and Its Foundations

[History of] truth tables

The method of finding results in logic by enumerating all possible combinations of truth values seems to have been rediscovered many times since antiquity. It began to appear regularly in the late 1800s, and became widely known after its use by Emil Post and Ludwig Wittgenstein in the early 1920s.

Image Source Notebooks:

From Stephen Wolfram: A New Kind of Science [citation]