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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 2818 |
. 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 2213 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2805 |
| This theorem is referenced by: snmg 3794 oprcl 3891 brm 4144 ss1o0el1 4293 exss 4325 onintrab2im 4622 regexmidlemm 4636 reldmm 4956 dmxpid 4959 acexmidlem2 6025 elmpom 6412 frecabcl 6608 ixpm 6942 en1m 7022 dom1o 7045 dom1oi 7046 enm 7047 ssfilem 7105 ssfilemd 7107 fin0 7117 fin0or 7118 diffitest 7119 diffisn 7125 infm 7139 inffiexmid 7141 ctssdc 7372 omct 7376 ctssexmid 7409 exmidfodomrlemr 7473 exmidfodomrlemrALT 7474 acnrcl 7476 exmidaclem 7483 iftrueb01 7501 pw1if 7503 caucvgsrlemasr 8070 suplocsrlempr 8087 gtso 8317 sup3exmid 9196 indstr 9888 negm 9910 fzm 10335 fzom 10462 rexfiuz 11629 r19.2uz 11633 resqrexlemgt0 11660 climuni 11933 bezoutlembi 12656 nninfct 12692 lcmgcdlem 12729 pcprecl 12942 pc2dvds 12983 4sqlem13m 13056 nninfdclemcl 13149 dfgrp3m 13762 issubg2m 13856 issubgrpd2 13857 issubg3 13859 issubg4m 13860 grpissubg 13861 subgintm 13865 nmzsubg 13877 ghmrn 13924 ghmpreima 13933 dvdsr02 14200 01eq0ring 14284 subrgugrp 14335 lmodfopnelem1 14420 rmodislmodlem 14446 rmodislmod 14447 lss1 14458 lsssubg 14473 islss3 14475 islss4 14478 lss1d 14479 lssintclm 14480 dflidl2rng 14577 lidlsubg 14582 cnsubglem 14675 tgioo 15365 elply2 15546 edgval 16001 wlkvtxm 16281 pw1nct 16725 nninfall 16735 nnnninfen 16747 |
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