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natural numbers object
(category theory) An object which has a distinguished global element (which may be called z, for “zero”) and a distinguished endomorphism (which may be called s, for “successor”) such that iterated compositions of s upon z (i.e., sⁿ∘z) yields other global elements of the same object which correspond to the natural numbers (sⁿ∘z↔n). Such object has the universal property that for any other object with a distinguished global element (call it z’) and a distinguished endomorphism (call it s’), there is a unique morphism (call it φ) from the given object to the other object which maps z to z’ (𝜙∘z=z') and which commutes with s; i.e., 𝜙∘s=s'∘𝜙.
pay nature's debt
Synonym of pay the debt of nature (“to die”)
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natural gas liquids
liquified natural gas
liquid natural gas
nature versus nurture
nature deficit disorder
Alternative form of nature-deficit disorder.
natural numbers objects
cosmological natural selection
A hypothetical alternative to the anthropic principle that attempts to explain the complexity of the universe
answer the call of nature
(idiomatic, euphemistic) To satisfy a bodily urge to urinate or defecate.
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