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| Mirrors > Home > ILE Home > Th. List > elexd | Unicode version | ||
| Description: If a class is a member of another class, it is a set. (Contributed by Glauco Siliprandi, 11-Oct-2020.) |
| Ref | Expression |
|---|---|
| elexd.1 |
|
| Ref | Expression |
|---|---|
| elexd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elexd.1 |
. 2
| |
| 2 | elex 2827 |
. 2
| |
| 3 | 1, 2 | syl 14 |
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 2216 |
| This theorem depends on definitions: df-bi 117 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-v 2817 |
| This theorem is referenced by: ifexd 4610 dmmptd 5494 mptsuppd 6469 suppssfvg 6476 tfr1onlemsucfn 6584 tfrcllemsucfn 6597 frecrdg 6652 mapsnend 7065 mapunen 7117 unsnfidcel 7194 fnfi 7216 caseinl 7395 caseinr 7396 omniwomnimkv 7471 nninfdcinf 7475 acfun 7527 seq3val 10846 seqvalcd 10847 seqf1oglem2 10906 seqf1og 10907 hashennn 11168 wrdexg 11260 lswex 11301 ccatw2s1leng 11351 ccat2s1fvwd 11360 swrdspsleq 11384 cats1un 11438 cats1fvd 11483 s3fv0g 11508 s3fv1g 11509 s3fv2g 11510 s1s3d 11512 s1s4d 11513 s1s5d 11514 s1s6d 11515 s1s7d 11516 s2s2d 11517 s4s2d 11518 s4s3d 11519 s3s4d 11520 s2s5d 11521 s5s2d 11522 s4s4d 11523 lcmval 12785 ballotfilemsv 13197 ennnfonelemp1 13241 isstruct2r 13307 strnfvnd 13316 strfvssn 13318 strslfv2d 13339 setsslid 13347 basmex 13356 basmexd 13357 ressbas2d 13365 ressval3d 13369 imasival 13570 imasbas 13571 imasplusg 13572 imasmulr 13573 imasaddfn 13581 imasaddval 13582 imasaddf 13583 imasmulfn 13584 imasmulval 13585 imasmulf 13586 qusval 13587 qusaddflemg 13598 qusaddval 13599 qusaddf 13600 qusmulval 13601 qusmulf 13602 xpsfrnel 13608 ismgmn0 13621 igsumvalx 13652 gsumfzval 13654 gsumval2 13660 ress0g 13704 ismhm 13716 mhmex 13717 0mhm 13741 qusgrp2 13866 mulgval 13875 mulgfng 13877 mulg1 13882 mulgnnp1 13883 mulgnndir 13904 issubg2m 13942 1nsgtrivd 13972 eqgval 13976 eqgen 13980 gfsumval 14102 prdsex 14114 prdsval 14115 prdsbaslemss 14116 prdssgrpd 14133 prdsidlem 14135 prdsmndd 14136 prds0g 14137 prdsgrpd 14139 prdsinvgd 14140 xpsval 14143 rngpropd 14194 qusrng 14197 issrg 14208 ringidss 14272 ringpropd 14281 qusring2 14309 opprringb 14324 dvdsrvald 14338 dvdsrd 14339 isunitd 14351 invrfvald 14367 dvrfvald 14378 rdivmuldivd 14389 invrpropdg 14394 isrim0 14406 rhmunitinv 14423 subrgintm 14489 rrgmex 14507 aprval 14529 aprprop 14539 lssmex 14629 islss3 14653 sraval 14711 sralemg 14712 srascag 14716 sravscag 14717 sraipg 14718 sraex 14720 lidlmex 14749 lidlrsppropdg 14769 2idlmex 14775 qusrhm 14802 zrhval 14891 psrval 14940 psrbasg 14955 psrplusgg 14959 psraddcl 14961 psr0cl 14962 psr0lid 14963 psrnegcl 14964 psrlinv 14965 psrgrp 14966 psr1clfi 14969 mplsubgfilemcl 14980 istopon 15004 istps 15023 tgclb 15056 restbasg 15159 restco 15165 lmfval 15184 cnfval 15185 cnpfval 15186 cnpval 15189 txcnp 15262 txrest 15267 ismet2 15345 xmetpsmet 15360 mopnval 15433 comet 15490 reldvg 15670 dvmptclx 15709 lgseisenlem2 16070 1vgrex 16141 p1evtxdeqfilem 16432 p1evtxdeqfi 16433 p1evtxdp1fi 16434 upgriswlkdc 16481 eupth2lem3fi 16597 eupth2lembfi 16598 |
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