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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 4251. (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 4251 |
. 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 4230 |
| 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 3219 df-ss 3226 |
| This theorem is referenced by: iotaexab 5333 fex2 5533 riotaexg 6009 opabbrex 6099 funexw 6307 opabex2 6390 f1imaen2g 7035 pw2f1odclem 7089 fiss 7266 genipv 7826 suplocexprlemlub 8041 hashfibclem 11210 hashfacen 11212 ovshftex 11508 strslssd 13276 ressbas2d 13298 ressval3d 13302 ressabsg 13306 restid2 13478 ptex 13494 prdsval 13503 prdsbaslemss 13504 divsfval 13558 divsfvalg 13559 igsumvalx 13619 issubmnd 13672 ress0g 13673 issubg2m 13923 releqgg 13954 eqgex 13955 eqgfval 13956 isghm 13977 ringidss 14190 dvdsrvald 14255 dvdsrex 14260 unitgrp 14278 unitabl 14279 unitlinv 14288 unitrinv 14289 dvrfvald 14295 rdivmuldivd 14306 invrpropdg 14311 rhmunitinv 14340 subrgugrp 14402 aprval 14445 aprap 14449 sralemg 14603 srascag 14607 sravscag 14608 sraipg 14609 sraex 14611 2basgeng 14964 cnrest2 15118 cnptopresti 15120 cnptoprest 15121 cnptoprest2 15122 cnmpt2res 15179 psmetres2 15215 xmetres2 15261 limccnp2lem 15558 limccnp2cntop 15559 dvfvalap 15563 dvmulxxbr 15584 dvaddxx 15585 dvmulxx 15586 dviaddf 15587 dvimulf 15588 dvcoapbr 15589 dvmptaddx 15601 dvmptmulx 15602 plycj 15643 wksfval 16334 wlkex 16337 trlsfvalg 16395 trlsex 16399 eupthsg 16457 |
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