externalism

Ex*ter"nal*ism n. 1. The quality of being manifest to the senses; external acts or appearances; regard for externals. This externalism gave Catholicism a great advantage on all sides. E. Eggleston. 2. (Metaph.) Defn: That philosophy or doctrine which recognizes or deals only with externals, or objects of sense perception; positivism; phenomenalism.

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