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Mirrors > Home > ILE Home > Th. List > df-zring | Unicode version |
Description: The (unital) ring of integers. (Contributed by Alexander van der Vekens, 9-Jun-2019.) |
Ref | Expression |
---|---|
df-zring |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | czring 13349 |
. 2
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2 | ccnfld 13324 |
. . 3
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3 | cz 9249 |
. . 3
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4 | cress 12455 |
. . 3
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5 | 2, 3, 4 | co 5872 |
. 2
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6 | 1, 5 | wceq 1353 |
1
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Colors of variables: wff set class |
This definition is referenced by: zringcrng 13351 zringbas 13355 zringplusg 13356 zringmulg 13357 zringmulr 13358 zring0 13359 zring1 13360 zringsubgval 13364 zringmpg 13365 |
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