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Mathbox for Jeff Madsen |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > df-crngo | Structured version Visualization version GIF version | ||
| Description: Define the class of commutative rings. (Contributed by Jeff Madsen, 8-Jun-2010.) |
| Ref | Expression |
|---|---|
| df-crngo | ⊢ CRingOps = (RingOps ∩ Com2) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ccring 38000 | . 2 class CRingOps | |
| 2 | crngo 37901 | . . 3 class RingOps | |
| 3 | ccm2 37996 | . . 3 class Com2 | |
| 4 | 2, 3 | cin 3950 | . 2 class (RingOps ∩ Com2) |
| 5 | 1, 4 | wceq 1540 | 1 wff CRingOps = (RingOps ∩ Com2) |
| Colors of variables: wff setvar class |
| This definition is referenced by: iscrngo 38003 |
| Copyright terms: Public domain | W3C validator |