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| Mirrors > Home > ILE Home > Th. List > elex2 | Unicode version | ||
| Description: If a class contains another class, then it contains some set. (Contributed by Alan Sare, 25-Sep-2011.) |
| Ref | Expression |
|---|---|
| elex2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq1a 2306 |
. . 3
| |
| 2 | 1 | alrimiv 1923 |
. 2
|
| 3 | elisset 2830 |
. 2
| |
| 4 | exim 1648 |
. 2
| |
| 5 | 2, 3, 4 | sylc 62 |
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-5 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-v 2817 |
| This theorem is referenced by: snmg 3815 oprcl 3912 brm 4165 ss1o0el1 4315 exss 4348 onintrab2im 4645 regexmidlemm 4659 reldmm 4980 dmxpid 4983 acexmidlem2 6055 elmpom 6447 frecabcl 6643 ixpm 6978 en1m 7058 dom1o 7082 dom1oi 7083 enm 7084 ssfilem 7143 ssfilemd 7145 fin0 7155 fin0or 7156 diffitest 7157 diffisn 7163 infm 7177 inffiexmid 7179 ctssdc 7417 omct 7421 ctssexmid 7454 exmidfodomrlemr 7518 exmidfodomrlemrALT 7519 acnrcl 7521 exmidaclem 7528 iftrueb01 7546 pw1if 7548 caucvgsrlemasr 8121 suplocsrlempr 8138 gtso 8368 sup3exmid 9248 indstr 9943 negm 9965 fzm 10392 fzom 10521 rexfiuz 11699 r19.2uz 11703 resqrexlemgt0 11730 climuni 12003 bezoutlembi 12726 nninfct 12762 lcmgcdlem 12799 pcprecl 13012 pc2dvds 13053 4sqlem13m 13126 nninfdclemcl 13283 dfgrp3m 13854 issubg2m 13942 issubgrpd2 13943 issubg3 13945 issubg4m 13946 grpissubg 13947 subgintm 13951 nmzsubg 13963 ghmrn 14010 ghmpreima 14019 dvdsr02 14350 01eq0ring 14434 subrgugrp 14486 lmodfopnelem1 14598 rmodislmodlem 14624 rmodislmod 14625 lss1 14636 lsssubg 14651 islss3 14653 islss4 14656 lss1d 14657 lssintclm 14658 dflidl2rng 14755 lidlsubg 14760 cnsubglem 14853 tgioo 15545 elply2 15726 edgval 16181 wlkvtxm 16461 pw1nct 16903 nninfall 16913 nnnninfen 16925 |
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