Logic Pix – Wikipédia, a enciclopédia livre

Linguagem programação - Linguagem de Programação.

A evolução dos computadores. Conheça a história da ferramenta que…, by Allan Borges

A Brief History Of Logic, From Emagic To Apple

Encyclopedia of Logical Fallacies - Real Reality

Web Layout Best Practices: 12 Timeless UI Patterns Analyzed - UXPin

Simon shows you maps - Lovely visual put the size of historic empires into perspective. Size of course isn't all that matters… Source

Logic from A to Z: REP Glossary of Logical by Bacon, John B.

Introduction to Logic (Download)

Handbook of the History of Logic, Handbook of the History of Logic - British Logic in the Nineteenth Century