Philosophical Investigations

Main Themes and Ideas

• Philosophy of language and logic
• Issues of meaning and significance in language
• Critique of the view of language as a system of independent signs
• Exploration of the limits of language and thought
• The concept of language games as a basis for understanding the functions of language
• The notion of family resemblance between concepts
• Critique of the idea of a private language
• Questions of ethics and the limits of expression