Ernest Nagel

• An Introduction to Logic
• El teorema de Gödel
• Godel's Proof
• The Later Works, 1925-1953: 1938
• Godel's Proof
• Godel's Proof
• Gödel's Proof
• Godel's Proof
• Gödel's Proof
• Godel's Proof
• Gödel's Proof
• Godel's Proof