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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 2083 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sseq12d 2090 sseqtrd 2097 funimass2 3573 fnco 3595 fnssresb 3599 fco 3636 f1ores 3703 tz6.12-2 3739 ssimaexg 3769 isofrlem 3901 oaordi 4180 oawordeulem 4188 oaass 4195 odi 4210 omass 4211 oen0 4213 oelim2 4222 pmvalg 4331 pw2en 4444 sbthlem2 4446 sbth 4455 ssenen 4502 phplem2 4507 pssnn 4531 ssfi 4533 fiint 4552 fodomfi 4558 trcl 4637 r1tr 4646 rankeq0 4688 rankr1id 4689 rankr1b 4691 kmlem5 4761 alephordlem2 4865 alephordi 4866 alephgeom 4874 cardaleph 4877 cardalephex 4878 cflim 4901 isbasisg 7596 tgvalt 7601 cldval 7651 ntrfval 7652 clsfval 7653 neifval 7699 neiint 7704 lpfval 7727 cncnplem4 7762 opnfval 7842 neibl 7862 lpbl 7865 metcnp 7872 lmfval 7910 caufval 7911 metelcls 7950 metcld 7952 cmsss 7982 bcthlem15 7998 bcth 8017 sspval 8367 hsupunss 9298 spanss2 9299 orthin 9355 chssoct 9404 chsscon3t 9408 chsscon1t 9409 h1datomt 9490 pjoml6 9517 osumlem8 9570 osumt 9573 spansncvt 9583 pjcjt2 9622 pjopytht 9650 hstel2t 10131 hstlet 10142 stjt 10147 dmdbr5 10220 mdslmd1lem1 10237 atordt 10300 irredlem4 10305 atcvat4 10309 mdsymlem2 10316 mdsymlem3 10317 mdsymlem8 10322 mdsym 10323 ghomfo 10376 abfi2 10463 oefil2 10526 fgsb 10529 fgsb2 10535 ishgrag 10705 hgralem 10706 ispgrag 10715 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-in 2051 df-ss 2053 |