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Mirrors > Home > MPE Home > Th. List > crngring | Structured version Visualization version Unicode version |
Description: A commutative ring is a ring. (Contributed by Mario Carneiro, 7-Jan-2015.) |
Ref | Expression |
---|---|
crngring |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2461 |
. . 3
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2 | 1 | iscrng 17835 |
. 2
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3 | 2 | simplbi 466 |
1
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