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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 3264 |
. 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-in 3219 df-ss 3226 |
| This theorem is referenced by: sseq12d 3271 sseqtrd 3278 exmidsssn 4317 exmidsssnc 4318 onsucsssucexmid 4651 sbcrel 4838 funimass2 5436 fnco 5468 fnssresb 5472 fnimaeq0 5482 foimacnv 5634 fvelimab 5735 ssimaexg 5741 fvmptss2 5754 rdgss 6616 tapeq2 7569 fzowrddc 11343 swrdnd 11355 swrd0g 11356 summodclem2 12072 summodc 12073 zsumdc 12074 fsum3cvg3 12086 prodmodclem2 12267 prodmodc 12268 zproddc 12269 ennnfoneleminc 13179 tgval 13492 prdsval 13503 releqgg 13954 eqgex 13955 eqgfval 13956 opprsubgg 14245 unitsubm 14281 subrngpropd 14378 subrgsubm 14396 issubrg3 14409 subrgpropd 14415 lsslss 14546 lsspropdg 14596 islidlm 14644 rspcl 14656 rspssid 14657 isbasisg 14926 tgss3 14960 restbasg 15050 tgrest 15051 restopn2 15065 cnpnei 15101 cnptopresti 15120 txbas 15140 elmopn 15328 neibl 15373 dvfgg 15570 incistruhgr 16102 edgssv2en 16211 wksfval 16334 |
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