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| Mirrors > Home > ILE Home > Th. List > domnnzr | Unicode version | ||
| Description: A domain is a nonzero ring. (Contributed by Mario Carneiro, 28-Mar-2015.) |
| Ref | Expression |
|---|---|
| domnnzr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2206 |
. . 3
| |
| 2 | eqid 2206 |
. . 3
| |
| 3 | eqid 2206 |
. . 3
| |
| 4 | 1, 2, 3 | isdomn 14101 |
. 2
|
| 5 | 4 | simplbi 274 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4169 ax-pow 4225 ax-pr 4260 ax-un 4487 ax-cnex 8031 ax-resscn 8032 ax-1re 8034 ax-addrcl 8037 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-sbc 3003 df-un 3174 df-in 3176 df-ss 3183 df-pw 3622 df-sn 3643 df-pr 3644 df-op 3646 df-uni 3856 df-int 3891 df-br 4051 df-opab 4113 df-mpt 4114 df-id 4347 df-xp 4688 df-rel 4689 df-cnv 4690 df-co 4691 df-dm 4692 df-rn 4693 df-res 4694 df-iota 5240 df-fun 5281 df-fn 5282 df-fv 5287 df-riota 5911 df-ov 5959 df-inn 9052 df-ndx 12905 df-slot 12906 df-base 12908 df-0g 13160 df-domn 14091 |
| This theorem is referenced by: domnring 14103 znidomb 14490 |
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