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Mirrors > Home > ILE Home > Th. List > cnpi  Structured version GIF version 
Description: The set of positive
integers, which is the set of natural numbers 𝜔
with 0 removed.
Note: This is the start of the Dedekindcut construction of real and _complex numbers. 
Ref  Expression 

cnpi  class N 
Colors of variables: wff set class 
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