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| Mirrors > Home > ILE Home > Th. List > elexd | GIF 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 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| elexd | ⊢ (𝜑 → 𝐴 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | elex 2825 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 Vcvv 2813 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-v 2815 |
| This theorem is referenced by: ifexd 4605 dmmptd 5489 mptsuppd 6456 suppssfvg 6463 tfr1onlemsucfn 6571 tfrcllemsucfn 6584 frecrdg 6639 mapsnend 7052 mapunen 7104 unsnfidcel 7181 fnfi 7203 caseinl 7382 caseinr 7383 omniwomnimkv 7458 nninfdcinf 7462 acfun 7514 seq3val 10822 seqvalcd 10823 seqf1oglem2 10882 seqf1og 10883 hashennn 11143 wrdexg 11235 lswex 11276 ccatw2s1leng 11326 ccat2s1fvwd 11335 swrdspsleq 11359 cats1un 11413 cats1fvd 11458 s3fv0g 11483 s3fv1g 11484 s3fv2g 11485 s1s3d 11487 s1s4d 11488 s1s5d 11489 s1s6d 11490 s1s7d 11491 s2s2d 11492 s4s2d 11493 s4s3d 11494 s3s4d 11495 s2s5d 11496 s5s2d 11497 s4s4d 11498 lcmval 12760 ennnfonelemp1 13157 isstruct2r 13223 strnfvnd 13232 strfvssn 13234 strslfv2d 13255 setsslid 13263 basmex 13272 basmexd 13273 ressbas2d 13281 ressval3d 13285 prdsex 13482 prdsval 13486 prdsbaslemss 13487 imasival 13519 imasbas 13520 imasplusg 13521 imasmulr 13522 imasaddfn 13530 imasaddval 13531 imasaddf 13532 imasmulfn 13533 imasmulval 13534 imasmulf 13535 qusval 13536 qusaddflemg 13547 qusaddval 13548 qusaddf 13549 qusmulval 13550 qusmulf 13551 xpsfrnel 13557 xpsval 13565 ismgmn0 13571 igsumvalx 13602 gsumfzval 13604 gsumval2 13610 prdssgrpd 13628 ress0g 13656 prdsidlem 13660 prdsmndd 13661 prds0g 13662 ismhm 13674 mhmex 13675 0mhm 13699 prdsgrpd 13822 prdsinvgd 13823 qusgrp2 13830 mulgval 13839 mulgfng 13841 mulg1 13846 mulgnnp1 13847 mulgnndir 13868 issubg2m 13906 1nsgtrivd 13936 eqgval 13940 eqgen 13944 rngpropd 14099 qusrng 14102 issrg 14109 ringidss 14173 ringpropd 14182 qusring2 14210 dvdsrvald 14238 dvdsrd 14239 isunitd 14251 invrfvald 14267 dvrfvald 14278 rdivmuldivd 14289 invrpropdg 14294 isrim0 14306 rhmunitinv 14323 subrgintm 14388 rrgmex 14406 aprval 14428 lssmex 14503 islss3 14527 sraval 14585 sralemg 14586 srascag 14590 sravscag 14591 sraipg 14592 sraex 14594 lidlmex 14623 lidlrsppropdg 14643 2idlmex 14649 qusrhm 14676 zrhval 14765 psrval 14814 psrbasg 14829 psrplusgg 14833 psraddcl 14835 psr0cl 14836 psr0lid 14837 psrnegcl 14838 psrlinv 14839 psrgrp 14840 psr1clfi 14843 mplsubgfilemcl 14854 istopon 14878 istps 14897 tgclb 14930 restbasg 15033 restco 15039 lmfval 15058 cnfval 15059 cnpfval 15060 cnpval 15063 txcnp 15136 txrest 15141 ismet2 15219 xmetpsmet 15234 mopnval 15307 comet 15364 reldvg 15544 dvmptclx 15583 lgseisenlem2 15944 1vgrex 16015 p1evtxdeqfilem 16306 p1evtxdeqfi 16307 p1evtxdp1fi 16308 upgriswlkdc 16355 eupth2lem3fi 16471 eupth2lembfi 16472 gfsumval 16862 |
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