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rest on/upon sth

formal phrasal verb with rest
 
 
/rest/ verb

Definition

If something rests on a particular idea, belief, or fact, it is based on it or needs it in order for it to be true: Christianity rests on the belief that Jesus was the son of God.Being based on or depending on something
(Definition of rest on/upon sth from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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