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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 2303 |
. . 3
| |
| 2 | 1 | alrimiv 1922 |
. 2
|
| 3 | elisset 2817 |
. 2
| |
| 4 | exim 1647 |
. 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 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2804 |
| This theorem is referenced by: snmg 3790 oprcl 3886 brm 4139 ss1o0el1 4287 exss 4319 onintrab2im 4616 regexmidlemm 4630 reldmm 4950 dmxpid 4953 acexmidlem2 6015 elmpom 6403 frecabcl 6565 ixpm 6899 en1m 6979 dom1o 7002 dom1oi 7003 enm 7004 ssfilem 7062 ssfilemd 7064 fin0 7074 fin0or 7075 diffitest 7076 diffisn 7082 infm 7096 inffiexmid 7098 ctssdc 7312 omct 7316 ctssexmid 7349 exmidfodomrlemr 7413 exmidfodomrlemrALT 7414 acnrcl 7416 exmidaclem 7423 iftrueb01 7441 pw1if 7443 caucvgsrlemasr 8010 suplocsrlempr 8027 gtso 8258 sup3exmid 9137 indstr 9827 negm 9849 fzm 10273 fzom 10400 rexfiuz 11550 r19.2uz 11554 resqrexlemgt0 11581 climuni 11854 bezoutlembi 12577 nninfct 12613 lcmgcdlem 12650 pcprecl 12863 pc2dvds 12904 4sqlem13m 12977 nninfdclemcl 13070 dfgrp3m 13683 issubg2m 13777 issubgrpd2 13778 issubg3 13780 issubg4m 13781 grpissubg 13782 subgintm 13786 nmzsubg 13798 ghmrn 13845 ghmpreima 13854 dvdsr02 14121 01eq0ring 14205 subrgugrp 14256 lmodfopnelem1 14340 rmodislmodlem 14366 rmodislmod 14367 lss1 14378 lsssubg 14393 islss3 14395 islss4 14398 lss1d 14399 lssintclm 14400 dflidl2rng 14497 lidlsubg 14502 cnsubglem 14595 tgioo 15280 elply2 15461 edgval 15913 wlkvtxm 16193 pw1nct 16607 nninfall 16614 nnnninfen 16626 |
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