Charles Sanders Peirce

American philosopher (1839�1914), known for pragmatism.

Key Contributions:

• Developed pragmatism and semiotics.
• Contributed to logic and epistemology.
• Influenced analytic philosophy.

Interacting Concepts & Works:

• Pragmatism (core system)
• Semiotics (sign theory)
• William James (shared pragmatist focus)
• Dewey (later pragmatist)
• Logic (abductive reasoning)