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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 2811 | . 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 2200 Vcvv 2799 |
| 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 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-v 2801 |
| This theorem is referenced by: ifexd 4575 dmmptd 5454 tfr1onlemsucfn 6492 tfrcllemsucfn 6505 frecrdg 6560 unsnfidcel 7094 fnfi 7114 caseinl 7269 caseinr 7270 omniwomnimkv 7345 nninfdcinf 7349 acfun 7400 seq3val 10694 seqvalcd 10695 seqf1oglem2 10754 seqf1og 10755 hashennn 11014 wrdexg 11095 lswex 11136 swrdspsleq 11214 cats1un 11268 cats1fvd 11313 s3fv0g 11338 s3fv1g 11339 lcmval 12600 hashdvds 12758 ennnfonelemp1 12992 isstruct2r 13058 strnfvnd 13067 strfvssn 13069 strslfv2d 13090 setsslid 13098 basmex 13107 basmexd 13108 ressbas2d 13116 ressval3d 13120 prdsex 13317 prdsval 13321 prdsbaslemss 13322 imasival 13354 imasbas 13355 imasplusg 13356 imasmulr 13357 imasaddfn 13365 imasaddval 13366 imasaddf 13367 imasmulfn 13368 imasmulval 13369 imasmulf 13370 qusval 13371 qusaddflemg 13382 qusaddval 13383 qusaddf 13384 qusmulval 13385 qusmulf 13386 xpsfrnel 13392 xpsval 13400 ismgmn0 13406 igsumvalx 13437 gsumfzval 13439 gsumval2 13445 prdssgrpd 13463 ress0g 13491 prdsidlem 13495 prdsmndd 13496 prds0g 13497 ismhm 13509 mhmex 13510 0mhm 13534 prdsgrpd 13657 prdsinvgd 13658 qusgrp2 13665 mulgval 13674 mulgfng 13676 mulg1 13681 mulgnnp1 13682 mulgnndir 13703 issubg2m 13741 1nsgtrivd 13771 eqgval 13775 eqgen 13779 rngpropd 13933 qusrng 13936 issrg 13943 ringidss 14007 ringpropd 14016 qusring2 14044 dvdsrvald 14072 dvdsrd 14073 isunitd 14085 invrfvald 14101 dvrfvald 14112 rdivmuldivd 14123 invrpropdg 14128 isrim0 14140 rhmunitinv 14157 subrgintm 14222 rrgmex 14240 aprval 14261 lssmex 14334 islss3 14358 sraval 14416 sralemg 14417 srascag 14421 sravscag 14422 sraipg 14423 sraex 14425 lidlmex 14454 lidlrsppropdg 14474 2idlmex 14480 qusrhm 14507 zrhval 14596 psrval 14645 psrbasg 14653 psrplusgg 14657 psraddcl 14659 psr0cl 14660 psr0lid 14661 psrnegcl 14662 psrlinv 14663 psrgrp 14664 psr1clfi 14667 mplsubgfilemcl 14678 istopon 14702 istps 14721 tgclb 14754 restbasg 14857 restco 14863 lmfval 14882 cnfval 14883 cnpfval 14884 cnpval 14887 txcnp 14960 txrest 14965 ismet2 15043 xmetpsmet 15058 mopnval 15131 comet 15188 reldvg 15368 dvmptclx 15407 lgseisenlem2 15765 1vgrex 15836 upgriswlkdc 16101 |
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