Introduction to Propositional Logic

Symbolism and Logical Necessity

Language, Thought, and the Limits of Expression

Philosophical Reflections on Logical Propositions

The World and its Facts

Exploration of Subject-Object Distinction

Application of Formal Logic to Philosophy

Conclusions and the Ethics of Silence

Tractatus Logico-Philosophicus is a seminal work in analytic philosophy and logic by Ludwig Wittgenstein. It investigates the relationship between language and reality, proposing the idea that meaningful propositions are pictures of states of affairs.