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| Mirrors > Home > ILE Home > Th. List > sseq2d | Unicode version | ||
| Description: An equality deduction for the subclass relationship. (Contributed by NM, 14-Aug-1994.) |
| Ref | Expression |
|---|---|
| sseq1d.1 |
|
| Ref | Expression |
|---|---|
| sseq2d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseq1d.1 |
. 2
| |
| 2 | sseq2 3249 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3204 df-ss 3211 |
| This theorem is referenced by: sseq12d 3256 sseqtrd 3263 exmidsssn 4290 exmidsssnc 4291 onsucsssucexmid 4623 sbcrel 4810 funimass2 5405 fnco 5437 fnssresb 5441 fnimaeq0 5451 foimacnv 5598 fvelimab 5698 ssimaexg 5704 fvmptss2 5717 rdgss 6544 tapeq2 7462 fzowrddc 11218 swrdnd 11230 swrd0g 11231 summodclem2 11933 summodc 11934 zsumdc 11935 fsum3cvg3 11947 prodmodclem2 12128 prodmodc 12129 zproddc 12130 ennnfoneleminc 13022 tgval 13335 prdsval 13346 releqgg 13797 eqgex 13798 eqgfval 13799 opprsubgg 14087 unitsubm 14123 subrngpropd 14220 subrgsubm 14238 issubrg3 14251 subrgpropd 14257 lsslss 14385 lsspropdg 14435 islidlm 14483 rspcl 14495 rspssid 14496 isbasisg 14758 tgss3 14792 restbasg 14882 tgrest 14883 restopn2 14897 cnpnei 14933 cnptopresti 14952 txbas 14972 elmopn 15160 neibl 15205 dvfgg 15402 incistruhgr 15931 edgssv2en 16038 wksfval 16119 |
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