a priori
英
[ˌeɪpraɪ'ɔːraɪ]
美
[ˌeɪpraɪ'ɔːraɪ]
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Adjective:
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involving deductive reasoning from a general principle to a necessary effect; not supported by fact;
"an a priori judgment"
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based on hypothesis or theory rather than experiment
Adverb:
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derived by logic, without observed facts
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