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dianoia

dianoia In this historical philosophical usage, dianoia means rational thought, especially discursive or demonstrative thinking.

In this historical philosophical usage, dianoia means rational thought, especially discursive or demonstrative thinking. In the packet, it is contrasted with mere sense on one side and with opinion or seeming on the other as a higher, reason-governed form of thought.

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Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Opinion (in philosophy)” (Opinion (in philosophy)).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “dianoia.” Development preview.

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