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| Description: Inference rule based on subclass definition. |
| Ref | Expression |
|---|---|
| ssriv.1 |
|
| Ref | Expression |
|---|---|
| ssriv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfss2 2058 |
. 2
| |
| 2 | ssriv.1 |
. 2
| |
| 3 | 1, 2 | mpgbir 988 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ssv 2081 difss 2167 ssun1 2193 inss1 2230 0ss 2301 difprsn 2465 snsspw 2479 uniin 2520 iuniin 2573 iunpwss 2618 unipw 2756 pwuni 2757 pwunss 2826 omsson 3136 omssnlim 3145 xpss 3230 dmin 3318 dmrnssfld 3357 dminss 3462 imainss 3463 mapsspm 4339 uniixp 4357 ixpssmap 4363 abfii3OLD 4563 pwfilemOLD 4570 dfom3 4630 tz9.12lem1 4659 rankun 4691 alephsson 4894 cardcf 4911 cfeq0 4914 1pr 5117 reclem2pr 5157 zssre 6142 zsscn 6143 nnssz 6151 zssq 6261 qssre 6264 rpssre 6285 ioossre 6389 ioossicc 6397 fzssuzt 6505 reeff1olem1 7424 reeff1o 7426 subbas2OLD 7645 ntrss2 7690 qdensere 7751 blssioo 7913 tgioo 7915 sspval 8382 phrel 8474 bnrel 8527 ubthlem6 8534 hlrel 8594 pilem2 8672 efifolem4 8725 eff1i 8744 effoi 8745 resslogrn 8753 chsscm 9112 chcmh 9113 hhssnv 9134 omlsi 9245 choc1 9291 shunss 9337 shslej 9338 shsub1 9341 shsub2 9342 shsidm 9357 spanun 9467 spansn 9480 5oalem7 9605 3oalem3 9609 mayete3 9673 hmopex 9802 cnlnssadj 10013 adjbdlnt 10016 adjsslnop 10020 shatomistic 10288 hatomistic 10289 |
| 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 |