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