cnpi - Intuitionistic Logic Explorer

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Syntax Definition cnpi 7213

Description: The set of positive integers, which is the set of natural numbers

with 0 removed.

Note: This is the start of the Dedekind-cut construction of real and complex numbers.

**Assertion**
Ref	Expression
cnpi

See definition df-ni 7245 for more information.

Colors of variables: wff set class