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| Mirrors > Home > ILE Home > Th. List > elin | Unicode version | ||
| Description: Expansion of membership in an intersection of two classes. Theorem 12 of [Suppes] p. 25. (Contributed by NM, 29-Apr-1994.) |
| Ref | Expression |
|---|---|
| elin |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 2827 |
. 2
| |
| 2 | elex 2827 |
. . 3
| |
| 3 | 2 | adantl 277 |
. 2
|
| 4 | eleq1 2297 |
. . . 4
| |
| 5 | eleq1 2297 |
. . . 4
| |
| 6 | 4, 5 | anbi12d 473 |
. . 3
|
| 7 | df-in 3219 |
. . 3
| |
| 8 | 6, 7 | elab2g 2966 |
. 2
|
| 9 | 1, 3, 8 | pm5.21nii 712 |
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 |
| 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 |
| This theorem is referenced by: elini 3405 elind 3406 elinel1 3407 elinel2 3408 elin2 3409 elin3 3412 incom 3413 ineqri 3416 ineq1 3417 inass 3433 inss1 3443 ssin 3445 ssrin 3448 dfss4st 3456 inssdif 3459 difin 3460 unssin 3462 inssun 3463 invdif 3465 indif 3466 indi 3470 undi 3471 difundi 3475 difindiss 3477 indifdir 3479 difin2 3485 inrab2 3496 inelcm 3571 inssdif0im 3578 uniin 3936 intun 3982 intpr 3983 elrint 3991 iunin2 4057 iinin2m 4062 elriin 4064 disjnim 4101 disjiun 4106 brin 4164 trin 4220 inex1 4246 inuni 4269 bnd2 4288 ordpwsucss 4691 ordpwsucexmid 4694 peano5 4722 inopab 4889 inxp 4891 dmin 4966 opelres 5045 intasym 5149 asymref 5150 dminss 5179 imainss 5180 inimasn 5182 ssrnres 5207 cnvresima 5254 dfco2a 5265 funinsn 5407 imainlem 5439 imain 5440 2elresin 5471 nfvres 5708 respreima 5807 isoini 5993 offval 6276 tfrlem5 6547 mapval2 6914 ixpin 6960 ssenen 7107 infidc 7203 fnfi 7205 elfpw 7217 peano5nnnn 8209 peano5nni 9242 ixxdisj 10239 icodisj 10328 fzdisj 10389 uzdisj 10431 nn0disj 10476 fzouzdisj 10520 sseqn 11207 hashfibclem 11210 isumss 12081 fsumsplit 12097 sumsplitdc 12122 fsum2dlemstep 12124 fprod2dlemstep 12312 bitsmod 12646 bitsinv1 12652 4sqlem12 13104 ballotfilem2 13149 nninfdclemcl 13216 nninfdclemp1 13218 insubm 13715 isrhm 14320 subsubrng2 14377 subsubrg2 14408 2idlelb 14670 isbasis2g 14927 tgval2 14933 tgcl 14946 epttop 14972 ssntr 15004 ntreq0 15014 cnptopresti 15120 cnptoprest 15121 cnptoprest2 15122 lmss 15128 txcnp 15153 txcnmpt 15155 bldisj 15283 blininf 15306 blres 15316 metrest 15388 pilem1 15661 wlk1walkdom 16371 trlsegvdegfi 16479 bj-charfundcALT 16596 bj-charfunr 16597 bdinex1 16686 bj-indind 16719 |
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