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| Mirrors > Home > ILE Home > Th. List > ssexd | Unicode version | ||
| Description: A subclass of a set is a set. Deduction form of ssexg 4254. (Contributed by David Moews, 1-May-2017.) |
| Ref | Expression |
|---|---|
| ssexd.1 |
|
| ssexd.2 |
|
| Ref | Expression |
|---|---|
| ssexd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssexd.2 |
. 2
| |
| 2 | ssexd.1 |
. 2
| |
| 3 | ssexg 4254 |
. 2
| |
| 4 | 1, 2, 3 | syl2anc 411 |
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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 ax-sep 4233 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-in 3220 df-ss 3227 |
| This theorem is referenced by: iotaexab 5336 fex2 5536 riotaexg 6015 opabbrex 6105 funexw 6314 opabex2 6401 f1imaen2g 7046 pw2f1odclem 7100 fiss 7277 genipv 7840 suplocexprlemlub 8055 hashfibclem 11231 hashfacen 11233 ovshftex 11529 strslssd 13343 ressbas2d 13365 ressval3d 13369 ressabsg 13373 restid2 13545 ptex 13561 divsfval 13592 divsfvalg 13593 igsumvalx 13652 issubmnd 13703 ress0g 13704 issubg2m 13942 releqgg 13973 eqgex 13974 eqgfval 13975 isghm 13996 prdsval 14115 prdsbaslemss 14116 ringidss 14272 dvdsrvald 14338 dvdsrex 14343 unitgrp 14361 unitabl 14362 unitlinv 14371 unitrinv 14372 dvrfvald 14378 rdivmuldivd 14389 invrpropdg 14394 rhmunitinv 14423 subrgugrp 14486 aprval 14529 aprap 14536 aprprop 14539 sralemg 14712 srascag 14716 sravscag 14717 sraipg 14718 sraex 14720 2basgeng 15073 cnrest2 15227 cnptopresti 15229 cnptoprest 15230 cnptoprest2 15231 cnmpt2res 15288 psmetres2 15324 xmetres2 15370 limccnp2lem 15667 limccnp2cntop 15668 dvfvalap 15672 dvmulxxbr 15693 dvaddxx 15694 dvmulxx 15695 dviaddf 15696 dvimulf 15697 dvcoapbr 15698 dvmptaddx 15710 dvmptmulx 15711 plycj 15752 wksfval 16443 wlkex 16446 trlsfvalg 16504 trlsex 16508 eupthsg 16566 |
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