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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 |
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Ref | Expression |
---|---|
sseq2d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sseq1d.1 |
. 2
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2 | sseq2 3203 |
. 2
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3 | 1, 2 | syl 14 |
1
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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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-11 1517 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 |
This theorem depends on definitions: df-bi 117 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-in 3159 df-ss 3166 |
This theorem is referenced by: sseq12d 3210 sseqtrd 3217 exmidsssn 4231 exmidsssnc 4232 onsucsssucexmid 4559 sbcrel 4745 funimass2 5332 fnco 5362 fnssresb 5366 fnimaeq0 5375 foimacnv 5518 fvelimab 5613 ssimaexg 5619 fvmptss2 5632 rdgss 6436 tapeq2 7313 summodclem2 11525 summodc 11526 zsumdc 11527 fsum3cvg3 11539 prodmodclem2 11720 prodmodc 11721 zproddc 11722 ennnfoneleminc 12568 tgval 12873 releqgg 13290 eqgex 13291 eqgfval 13292 opprsubgg 13580 unitsubm 13615 subrngpropd 13712 subrgsubm 13730 issubrg3 13743 subrgpropd 13749 lsslss 13877 lsspropdg 13927 islidlm 13975 rspcl 13987 rspssid 13988 isbasisg 14212 tgss3 14246 restbasg 14336 tgrest 14337 restopn2 14351 cnpnei 14387 cnptopresti 14406 txbas 14426 elmopn 14614 neibl 14659 dvfgg 14842 |
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