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| Description: A set dominates its subsets. Theorem 16 of [Suppes] p. 94. |
| Ref | Expression |
|---|---|
| ssdomg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1domg 5455 |
. 2
| |
| 2 | f1oi 4671 |
. . . . . . . 8
| |
| 3 | dff1o3 4641 |
. . . . . . . 8
| |
| 4 | 2, 3 | mpbi 206 |
. . . . . . 7
|
| 5 | 4 | simpli 347 |
. . . . . 6
|
| 6 | fof 4617 |
. . . . . 6
| |
| 7 | 5, 6 | ax-mp 7 |
. . . . 5
|
| 8 | fss 4571 |
. . . . 5
| |
| 9 | 7, 8 | mpan 759 |
. . . 4
|
| 10 | funi 4452 |
. . . . . 6
| |
| 11 | cnvi 4320 |
. . . . . . 7
| |
| 12 | funeq 4441 |
. . . . . . 7
| |
| 13 | 11, 12 | ax-mp 7 |
. . . . . 6
|
| 14 | 10, 13 | mpbir 207 |
. . . . 5
|
| 15 | funres11 4486 |
. . . . 5
| |
| 16 | 14, 15 | ax-mp 7 |
. . . 4
|
| 17 | 9, 16 | jctir 317 |
. . 3
|
| 18 | df-f1 4011 |
. . 3
| |
| 19 | 17, 18 | sylibr 217 |
. 2
|
| 20 | 1, 19 | syl5 20 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ssdom2g 5468 xpdom3 5504 0dom 5527 domtriord 5546 mapdom1 5586 onomeneq 5612 nndomo 5614 omsdomnn 5623 unbnn 5637 pwfilem 5660 hartog 5693 onsdom 5694 omsubsuc2 5878 omsubsdomlem2 5880 omsubel 5883 elomsubsd 5885 omsublim 5887 infenomsub 5889 fodom 5960 carddomi 5986 unxpdomlem 5995 sdomel 5999 ondomon 6008 carduni 6010 cardprc 6013 alephordlem2 6021 alephordi 6022 alephval2 6050 cdadom3 6085 znnen 8771 qnnen 8772 infxpidmlem1 8821 infxpidmlem8 8828 infxpidmlem11 8831 infxpidmlem12 8832 infunabs 8834 infdif 8837 infmap2 8850 alephexp1 8853 axgroth2 10133 axgroth6 10137 sndw 14428 tarax3d2 15225 dmsdtriordOLD 15360 finminlem 15367 fictb 15371 hartogOLD 15384 onsdomOLD 15385 omsubsuc2OLD 15387 omsubsdomlem2OLD 15389 omsubelOLD 15392 elomsubsdOLD 15394 omsublimOLD 15396 infenomsubOLD 15398 2ndc1stc 15477 2ndcctbss 15478 ufilen 15579 |
| 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-13 1311 ax-14 1312 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 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-rex 2110 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-en 5427 df-dom 5428 |