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Mirrors > Home > ILE Home > Th. List > dfnn2 | Unicode version |
Description: Definition of the set of positive integers. Another name for df-inn 8714. (Contributed by Jeff Hankins, 12-Sep-2013.) (Revised by Mario Carneiro, 3-May-2014.) |
Ref | Expression |
---|---|
dfnn2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-inn 8714 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1331 wcel 1480 cab 2123 wral 2414 cint 3766 (class class class)co 5767 c1 7614 caddc 7616 cn 8713 |
This theorem depends on definitions: df-inn 8714 |
This theorem is referenced by: peano5nni 8716 1nn 8724 peano2nn 8725 arch 8967 caucvgre 10746 |
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