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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 8849. (Contributed by Jeff Hankins, 12-Sep-2013.) (Revised by Mario Carneiro, 3-May-2014.) |
Ref | Expression |
---|---|
dfnn2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-inn 8849 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1342 wcel 2135 cab 2150 wral 2442 cint 3818 (class class class)co 5836 c1 7745 caddc 7747 cn 8848 |
This theorem depends on definitions: df-inn 8849 |
This theorem is referenced by: peano5nni 8851 1nn 8859 peano2nn 8860 arch 9102 caucvgre 10909 |
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