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Definition of first principles noun from the Oxford Advanced Learner's Dictionary

first principles

noun

/ˌfɜːst ˈprɪnsəplz/

/ˌfɜːrst ˈprɪnsəplz/

[plural]

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the basic ideas on which a theory, system or method is based
- I think we should go back to first principles.
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See first principles in the Oxford Advanced American DictionarySee first principles in the Oxford Learner's Dictionary of Academic English

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noun

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