| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2833 |
. 2
| |
| 2 | elex 2833 |
. . 3
| |
| 3 | 2 | adantl 277 |
. 2
|
| 4 | eleq1 2301 |
. . . 4
| |
| 5 | eleq1 2301 |
. . . 4
| |
| 6 | 4, 5 | anbi12d 477 |
. . 3
|
| 7 | df-in 3226 |
. . 3
| |
| 8 | 6, 7 | elab2g 2973 |
. 2
|
| 9 | 1, 3, 8 | pm5.21nii 716 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 |
| This theorem is used by: elini 3413 elind 3414 elinel1 3415 elinel2 3416 elin2 3417 elin3 3420 incom 3421 ineqri 3424 ineq1 3425 inass 3441 inss1 3451 ssin 3453 ssrin 3456 dfss4st 3464 inssdif 3467 difin 3468 unssin 3470 inssun 3471 invdif 3473 indif 3474 indi 3478 undi 3479 difundi 3483 difindiss 3485 indifdir 3487 difin2 3493 inrab2 3506 inelcm 3585 inssdif0imOLD 3593 uniin 3955 intun 4001 intpr 4002 elrint 4010 iunin2 4076 iinin2m 4081 elriin 4083 disjnim 4120 disjiun 4125 brin 4183 trin 4239 inex1 4267 inuni 4291 bnd2 4310 ordpwsucss 4714 ordpwsucexmid 4717 peano5 4745 inopab 4912 inxp 4914 dmin 4989 opelres 5068 intasym 5172 asymref 5173 dminss 5202 imainss 5203 inimasn 5205 ssrnres 5230 cnvresima 5277 dfco2a 5288 funinsn 5430 imainlem 5462 imain 5463 2elresin 5494 nfvres 5732 respreima 5836 isoini 6024 offval 6310 tfrlem5 6585 mapval2 6959 ixpin 7005 ssenen 7152 infidc 7248 fnfi 7250 elfpw 7262 peano5nnnn 8259 peano5nni 9307 ixxdisj 10305 icodisj 10394 fzdisj 10457 uzdisj 10500 nn0disj 10545 fzouzdisj 10589 sseqn 11279 hashfibclem 11282 isumss 12158 fsumsplit 12174 sumsplitdc 12199 fsum2dlemstep 12201 fprod2dlemstep 12389 bitsmod 12723 bitsinv1 12729 4sqlem12 13181 ballotfilem2 13228 ballotfilemth 13281 nninfdclemcl 13339 nninfdclemp1 13341 insubm 13792 isrhm 14465 subsubrng2 14523 subsubrg2 14554 2idlelb 14842 isassa 15002 aspid 15017 isbasis2g 15146 tgval2 15152 tgcl 15165 epttop 15191 ssntr 15223 ntreq0 15233 cnptopresti 15339 cnptoprest 15340 cnptoprest2 15341 lmss 15347 txcnp 15372 txcnmpt 15374 bldisj 15502 blininf 15525 blres 15535 metrest 15607 pilem1 15880 wlk1walkdom 16600 trlsegvdegfi 16708 bj-charfundcALT 16835 bj-charfunr 16836 bdinex1 16925 bj-indind 16958 |
| Copyright terms: Public domain | W3C validator |