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a posteriori

a posteriori A posteriori refers to ideas or reasoning that depend on experience.

A posteriori refers to ideas or reasoning that depend on experience. In this contrast, it is opposed to a priori thought and is associated with inductive reasoning rather than deduction from what is taken to be already given in the mind.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “A priori and A posteriori” (A priori and A posteriori).
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These citations identify the drafting sources. This is a candidate definition. It has not yet been read by the two reviewers. Source institutions do not endorse this dictionary.

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “a posteriori.” Development preview.

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