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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 2279 |
. . 3
| |
| 2 | 1 | alrimiv 1898 |
. 2
|
| 3 | elisset 2791 |
. 2
| |
| 4 | exim 1623 |
. 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 1471 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-ext 2189 |
| This theorem depends on definitions: df-bi 117 df-sb 1787 df-clab 2194 df-cleq 2200 df-clel 2203 df-v 2778 |
| This theorem is referenced by: snmg 3761 oprcl 3857 brm 4110 ss1o0el1 4257 exss 4289 onintrab2im 4584 regexmidlemm 4598 dmxpid 4918 acexmidlem2 5964 frecabcl 6508 ixpm 6840 en1m 6920 enm 6940 ssfilem 6998 fin0 7008 fin0or 7009 diffitest 7010 diffisn 7016 infm 7027 inffiexmid 7029 ctssdc 7241 omct 7245 ctssexmid 7278 exmidfodomrlemr 7341 exmidfodomrlemrALT 7342 acnrcl 7344 exmidaclem 7351 iftrueb01 7369 pw1if 7371 caucvgsrlemasr 7938 suplocsrlempr 7955 gtso 8186 sup3exmid 9065 indstr 9749 negm 9771 fzm 10195 fzom 10322 rexfiuz 11415 r19.2uz 11419 resqrexlemgt0 11446 climuni 11719 bezoutlembi 12441 nninfct 12477 lcmgcdlem 12514 pcprecl 12727 pc2dvds 12768 4sqlem13m 12841 nninfdclemcl 12934 dfgrp3m 13546 issubg2m 13640 issubgrpd2 13641 issubg3 13643 issubg4m 13644 grpissubg 13645 subgintm 13649 nmzsubg 13661 ghmrn 13708 ghmpreima 13717 dvdsr02 13982 01eq0ring 14066 subrgugrp 14117 lmodfopnelem1 14201 rmodislmodlem 14227 rmodislmod 14228 lss1 14239 lsssubg 14254 islss3 14256 islss4 14259 lss1d 14260 lssintclm 14261 dflidl2rng 14358 lidlsubg 14363 cnsubglem 14456 tgioo 15141 elply2 15322 dom1o 16128 pw1nct 16142 nninfall 16148 nnnninfen 16160 |
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