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person1960s-2017

Jerry Fodor

Disciplines:
philosophy of mind
cognitive science
language/linguistics

Summary

American philosopher who was the most influential philosopher of mind of the late 20th century — developing the language of thought hypothesis, the modularity of mind thesis, and a vigorous defense of intentional realism against eliminativism.

Core Contribution

Language of Thought: mental states are sentences in a language (Mentalese) — thinking is computing over mental representations with syntactic structure. Modularity of Mind: input systems (vision, language) are modular (encapsulated, domain-specific), while central cognition is non-modular. Intentional realism: propositional attitudes (beliefs, desires) are real causal states — eliminativism is false.

Key Spikes & Highlights

  • Language of Thought: you cannot learn your first language unless you already have a language to think in — this is Fodor's argument that Mentalese is innate, not learned, making him a card-carrying nativist.
  • Modularity of Mind introduced a distinction that shaped cognitive science: the encapsulated, fast, mandatory input systems vs. the slow, penetrable, holistic central systems. The module has become one of the most widely used concepts in cognitive science.
  • Was the most combative philosopher of his generation — his famous line: 'If about content we can have a theory, then we can have a theory about anything' — setting a high bar for philosophical explanation of intentionality that no theory has fully met.

Notable Works & Achievements

Psychological Explanation

The Language of Thought

The Modularity of Mind

Psychosemantics

The Elm and the Expert

Historical Influences

Noam Chomsky Hilary Putnam

Intellectual Lineage

Analytic Philosophy of Mind Cognitive Science

Contemporaries & Peers

Noam Chomsky Daniel Dennett

Minds Influenced

Cognitive Science Philosophy of Mind

Intellectual Posterity

Language of ThoughtModularityIntentional Realism

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