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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 2814 | . 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 2202 Vcvv 2802 |
| 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 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2804 |
| This theorem is referenced by: ifexd 4581 dmmptd 5463 tfr1onlemsucfn 6506 tfrcllemsucfn 6519 frecrdg 6574 unsnfidcel 7113 fnfi 7135 caseinl 7290 caseinr 7291 omniwomnimkv 7366 nninfdcinf 7370 acfun 7422 seq3val 10723 seqvalcd 10724 seqf1oglem2 10783 seqf1og 10784 hashennn 11043 wrdexg 11128 lswex 11169 ccatw2s1leng 11219 ccat2s1fvwd 11228 swrdspsleq 11252 cats1un 11306 cats1fvd 11351 s3fv0g 11376 s3fv1g 11377 s3fv2g 11378 lcmval 12640 hashdvds 12798 ennnfonelemp1 13032 isstruct2r 13098 strnfvnd 13107 strfvssn 13109 strslfv2d 13130 setsslid 13138 basmex 13147 basmexd 13148 ressbas2d 13156 ressval3d 13160 prdsex 13357 prdsval 13361 prdsbaslemss 13362 imasival 13394 imasbas 13395 imasplusg 13396 imasmulr 13397 imasaddfn 13405 imasaddval 13406 imasaddf 13407 imasmulfn 13408 imasmulval 13409 imasmulf 13410 qusval 13411 qusaddflemg 13422 qusaddval 13423 qusaddf 13424 qusmulval 13425 qusmulf 13426 xpsfrnel 13432 xpsval 13440 ismgmn0 13446 igsumvalx 13477 gsumfzval 13479 gsumval2 13485 prdssgrpd 13503 ress0g 13531 prdsidlem 13535 prdsmndd 13536 prds0g 13537 ismhm 13549 mhmex 13550 0mhm 13574 prdsgrpd 13697 prdsinvgd 13698 qusgrp2 13705 mulgval 13714 mulgfng 13716 mulg1 13721 mulgnnp1 13722 mulgnndir 13743 issubg2m 13781 1nsgtrivd 13811 eqgval 13815 eqgen 13819 rngpropd 13974 qusrng 13977 issrg 13984 ringidss 14048 ringpropd 14057 qusring2 14085 dvdsrvald 14113 dvdsrd 14114 isunitd 14126 invrfvald 14142 dvrfvald 14153 rdivmuldivd 14164 invrpropdg 14169 isrim0 14181 rhmunitinv 14198 subrgintm 14263 rrgmex 14281 aprval 14302 lssmex 14375 islss3 14399 sraval 14457 sralemg 14458 srascag 14462 sravscag 14463 sraipg 14464 sraex 14466 lidlmex 14495 lidlrsppropdg 14515 2idlmex 14521 qusrhm 14548 zrhval 14637 psrval 14686 psrbasg 14694 psrplusgg 14698 psraddcl 14700 psr0cl 14701 psr0lid 14702 psrnegcl 14703 psrlinv 14704 psrgrp 14705 psr1clfi 14708 mplsubgfilemcl 14719 istopon 14743 istps 14762 tgclb 14795 restbasg 14898 restco 14904 lmfval 14923 cnfval 14924 cnpfval 14925 cnpval 14928 txcnp 15001 txrest 15006 ismet2 15084 xmetpsmet 15099 mopnval 15172 comet 15229 reldvg 15409 dvmptclx 15448 lgseisenlem2 15806 1vgrex 15877 p1evtxdeqfilem 16168 p1evtxdeqfi 16169 p1evtxdp1fi 16170 upgriswlkdc 16217 eupth2lem3fi 16333 eupth2lembfi 16334 gfsumval 16707 |
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