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| Mirrors > Home > ILE Home > Th. List > 0domg | Unicode version | ||
| Description: Any set dominates the empty set. (Contributed by NM, 26-Oct-2003.) (Revised by Mario Carneiro, 26-Apr-2015.) |
| Ref | Expression |
|---|---|
| 0domg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0ss 3508 |
. 2
| |
| 2 | ssdomg 6895 |
. 2
| |
| 3 | 1, 2 | mpi 15 |
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-in1 615 ax-in2 616 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 2180 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-un 4499 |
| 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 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2779 df-dif 3177 df-un 3179 df-in 3181 df-ss 3188 df-nul 3470 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-br 4061 df-opab 4123 df-id 4359 df-xp 4700 df-rel 4701 df-cnv 4702 df-co 4703 df-dm 4704 df-rn 4705 df-res 4706 df-ima 4707 df-fun 5293 df-fn 5294 df-f 5295 df-f1 5296 df-fo 5297 df-f1o 5298 df-dom 6854 |
| This theorem is referenced by: 0dom 6963 |
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