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| Description: An equality deduction for the subclass relationship. |
| Ref | Expression |
|---|---|
| sseq1d.1 |
|
| Ref | Expression |
|---|---|
| sseq1d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseq1d.1 |
. 2
| |
| 2 | sseq1 2637 |
. 2
| |
| 3 | 1, 2 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sseq12d 2646 eqsstrd 2651 snssg 3124 prssgOLD 3141 ssiun2s 3297 treq 3417 ordunel 3906 dmxpss 4343 rnxpssOLD 4345 funimass1 4491 feq1 4551 fvimacnvi 4777 fvimacnvALT 4782 oaordi 5227 oaword2 5235 oawordeulem 5236 omwordri 5251 omword1 5252 oewordri 5267 oeordsuc 5269 ereq 5324 map0e 5401 ac6sfi 5509 sbthlem5 5514 fodomr 5547 ordtypelem6 5689 ordtypelem7 5690 inf3lema 5715 inf3lemd 5718 trcl 5752 r1val1 5769 rankr1 5785 rankxplim 5823 scottex 5846 scott0 5847 scottexs 5848 scott0s 5849 karden 5856 cardaleph 6033 cfub 6056 cflecard 6060 cfle 6061 peano5uzti 7416 infmap2lem2 8849 iscnp 9036 cnsscnp 9049 blss 9130 ssblex 9133 opnin 9146 blnei 9156 metcnp 9165 tgioolem 9192 bcthlem9 9285 bcthlem15 9291 bcthlem18 9294 bcthlem28 9304 bcth 9310 subgrnss 9428 sspval 9721 isssp 9722 grothpw 10134 grothpwex 10135 axgroth6 10137 subtopmet 10256 sfvlim 10296 isfillim 10298 elfilmap 10312 elfilmap2 10313 elfilmap3 10314 ocsh 10789 hsupval2 10933 chsupid 10944 chsupsn 10945 shlub 10987 shmodi 10996 chsscon3 11056 chsscon2 11058 spansncvi 11232 pj3i 11781 mdslmd1lem3 11899 mdslmd1lem4 11900 mdsymlem5 11979 sumdmdlem2 11991 dmdbr5ati 11994 dmdbr6ati 11995 dmdbr7ati 11996 bnj220 12511 bnj897 12817 bnj1014 13374 bnj1015 13375 bnj1069 13400 bnj1081 13407 bnj1123 13422 bnj1134 13427 bnj1125 13430 bnj1137 13433 bnj1287 13477 bnj1288 13478 bnj1450 13541 bnj1462 13546 suprzcl 13658 preddowncl 13907 trcllem1 13933 frxp 13951 wfrlem1 13957 wfrlem3 13959 wfrlem9 13965 wfrlem15 13971 tfrALTlem 13976 axfelem7 14037 axfelem8 14038 axfelem9 14039 axfelem15 14045 fopab2g 14485 preoref22 14570 osneisi 14875 ptincpw 14912 limfillem2 14939 plimfil 14940 conttnf 14944 iscnp3 14946 topsinind 14967 altretop 14997 iintlem2 15011 supbrr 15048 isalg 15068 algi 15074 issubcat 15193 issubcata 15194 issubcatb 15195 taralt 15211 tarax1 15216 tartarmap 15265 finsschain 15373 ordtypelem6OLD 15380 ordtypelem7OLD 15381 connsub 15443 reconnlem1 15446 reconn 15451 ivthALT 15454 neibastop2lem1 15519 topmeet 15526 imaelfm 15591 rnelfm 15593 fmfnfmlem1 15594 fmfnfmlem4 15597 flimfbas 15601 isfclus 15606 filnet 15645 fimax 15746 inficl 15757 txmet 15925 totbndss 15937 heiborlem6 15960 heiborlem13 15967 heiborlem23 15977 recms 16010 smoge 16454 paddasslem17 17297 |
| 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-10 1308 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-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-in 2603 df-ss 2605 |