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Mirrors > Home > MPE Home > Th. List > df-cring | Structured version Visualization version Unicode version |
Description: Define class of all commutative rings. (Contributed by Mario Carneiro, 7-Jan-2015.) |
Ref | Expression |
---|---|
df-cring |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ccrg 17859 |
. 2
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2 | vf |
. . . . . 6
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3 | 2 | cv 1451 |
. . . . 5
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4 | cmgp 17801 |
. . . . 5
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5 | 3, 4 | cfv 5589 |
. . . 4
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6 | ccmn 17508 |
. . . 4
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7 | 5, 6 | wcel 1904 |
. . 3
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8 | crg 17858 |
. . 3
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9 | 7, 2, 8 | crab 2760 |
. 2
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10 | 1, 9 | wceq 1452 |
1
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Colors of variables: wff setvar class |
This definition is referenced by: iscrng 17865 |
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