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| Mirrors > Home > MPE Home > Th. List > Mathboxes > df-fld | Structured version Visualization version Unicode version | ||
| Description: Definition of a field. A field is a commutative division ring. (Contributed by FL, 6-Sep-2009.) (Revised by Jeff Madsen, 10-Jun-2010.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| df-fld |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cfld 33790 |
. 2
| |
| 2 | cdrng 33747 |
. . 3
| |
| 3 | ccm2 33788 |
. . 3
| |
| 4 | 2, 3 | cin 3573 |
. 2
|
| 5 | 1, 4 | wceq 1483 |
1
|
| Colors of variables: wff setvar class |
| This definition is referenced by: flddivrng 33798 fldcrng 33803 isfld2 33804 |
| Copyright terms: Public domain | W3C validator |