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| Description: Inference rule based on subclass definition. |
| Ref | Expression |
|---|---|
| ssriv.1 |
|
| Ref | Expression |
|---|---|
| ssriv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfss2 2048 |
. 2
| |
| 2 | ssriv.1 |
. 2
| |
| 3 | 1, 2 | mpgbir 985 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ssv 2071 difss 2157 ssun1 2183 inss1 2220 0ss 2291 difprsn 2456 snsspw 2470 uniin 2510 iuniin 2563 iunpwss 2608 unipw 2746 pwuni 2747 pwunss 2815 omsson 3126 omssnlim 3135 xpss 3220 dmin 3307 dmrnssfld 3343 dminss 3448 imainss 3449 mapsspm 4323 uniixp 4341 ixpssmap 4347 abfii3 4537 pwfilem 4544 dfom3 4602 tz9.12lem1 4631 rankun 4663 alephsson 4866 cardcf 4883 cfeq0 4886 1pr 5089 reclem2pr 5129 zssre 6089 zsscn 6090 nnssz 6098 zssq 6199 qssre 6202 rpssre 6223 ioossicc 6330 fzssuzt 6437 ivthlem4OLD 7228 ivthOLD 7233 ivth2OLD 7234 reeff1olem1 7364 reeff1olem1OLD 7366 reeff1o 7368 subbas2 7587 ntrss2 7632 qdensere 7691 blssioo 7852 tgioo 7854 sspval 8316 phrel 8405 bnrel 8458 ubthlem6 8465 hlrel 8525 pilem2 8591 efifolem4 8640 eff1i 8665 effoi 8666 effoiOLD 8667 resslogrn 8675 chsscm 9033 chcmh 9034 hhssnv 9054 omlsi 9160 choc1 9206 shunss 9252 shslej 9253 shsub1 9256 shsub2 9257 shsidm 9272 spanun 9382 spansn 9396 5oalem7 9522 3oalem3 9526 mayete3 9590 hmopex 9719 cnlnssadj 9928 adjbdlnt 9931 adjsslnop 9935 shatomistic 10196 hatomistic 10197 |
| 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 |