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| Description: Strict dominance
relation, meaning " |
| Ref | Expression |
|---|---|
| brsdom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-sdom 5429 |
. . 3
| |
| 2 | 1 | eleq2i 1961 |
. 2
|
| 3 | df-br 3339 |
. 2
| |
| 4 | df-br 3339 |
. . . 4
| |
| 5 | df-br 3339 |
. . . . 5
| |
| 6 | 5 | notbii 204 |
. . . 4
|
| 7 | 4, 6 | anbi12i 540 |
. . 3
|
| 8 | eldif 2609 |
. . 3
| |
| 9 | 7, 8 | bitr4i 193 |
. 2
|
| 10 | 2, 3, 9 | 3bitr4i 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sdomdom 5445 sdomnen 5446 0sdomg 5529 ensdomtr 5534 domsdomtr 5539 domtriord 5546 canth2 5548 php2 5608 php3 5609 nnsdomo 5615 infsdomnn 5625 unfi2 5645 unifi2 5649 onsdom 5694 isfinite 5741 nnsdom 5742 omsubsdom 5881 elomsubsd 5885 cardsdom 5988 cardsdomel 6004 alephordi 6022 alephord 6023 ruc 8818 axgroth6 10137 isfinite1b 14434 tarax3e 15228 carinttar 15279 dmsdtriordOLD 15360 onsdomOLD 15385 omsubsdomOLD 15390 elomsubsdOLD 15394 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-dif 2597 df-br 3339 df-sdom 5429 |