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| Description: An equality deduction for the subclass relationship. |
| Ref | Expression |
|---|---|
| sseq1d.1 |
|
| Ref | Expression |
|---|---|
| sseq2d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseq1d.1 |
. 2
| |
| 2 | sseq2 2073 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sseq12d 2080 sseqtrd 2087 funimass2 3559 fnco 3581 fnssresb 3585 fco 3621 f1ores 3688 tz6.12-2 3724 ssimaexg 3754 isofrlem 3886 oaordi 4164 oawordeulem 4172 oaass 4179 odi 4194 omass 4195 oen0 4197 oelim2 4206 pmvalg 4315 pw2en 4426 sbthlem2 4428 sbth 4437 ssenen 4484 phplem2 4489 pssnn 4513 ssfi 4515 fiint 4534 fodomfi 4540 trcl 4617 r1tr 4626 rankeq0 4668 rankr1id 4669 rankr1b 4671 kmlem5 4741 alephordlem2 4845 alephordi 4846 alephgeom 4854 cardaleph 4857 cardalephex 4858 cflim 4881 isbasisg 7553 tgvalt 7558 cldval 7608 ntrfval 7609 clsfval 7610 neifval 7655 neiint 7660 lpfval 7683 cncnplem4 7716 opnfval 7797 neibl 7817 lpbl 7819 metcnp 7826 lmfval 7863 caufval 7864 metelcls 7900 metcld 7901 cmsss 7931 bcthlem15 7947 bcth 7966 sspval 8316 hsupunss 9228 spanss2 9229 orthin 9285 chssoct 9334 chsscon3t 9338 chsscon1t 9339 h1datomt 9422 pjoml6 9449 osumlem8 9502 osumt 9505 spansncvt 9515 pjcjt2 9554 pjopytht 9582 hstel2t 10056 hstlet 10067 stjt 10072 mdslmd1lem1 10160 atordt 10223 irredlem4 10228 atcvat4 10232 mdsymlem2 10239 mdsymlem3 10240 mdsymlem8 10245 mdsym 10246 ghomfo 10296 abfi2 10378 oefil2 10441 fgsb 10444 fgsb2 10449 ishgrag 10605 hgralem 10606 ispgrag 10615 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-12 965 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 978 df-sb 1168 df-clab 1457 df-cleq 1462 df-clel 1465 df-in 2041 df-ss 2043 |