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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 4576 dmmptd 5457 tfr1onlemsucfn 6497 tfrcllemsucfn 6510 frecrdg 6565 unsnfidcel 7099 fnfi 7119 caseinl 7274 caseinr 7275 omniwomnimkv 7350 nninfdcinf 7354 acfun 7405 seq3val 10699 seqvalcd 10700 seqf1oglem2 10759 seqf1og 10760 hashennn 11019 wrdexg 11100 lswex 11141 swrdspsleq 11220 cats1un 11274 cats1fvd 11319 s3fv0g 11344 s3fv1g 11345 lcmval 12606 hashdvds 12764 ennnfonelemp1 12998 isstruct2r 13064 strnfvnd 13073 strfvssn 13075 strslfv2d 13096 setsslid 13104 basmex 13113 basmexd 13114 ressbas2d 13122 ressval3d 13126 prdsex 13323 prdsval 13327 prdsbaslemss 13328 imasival 13360 imasbas 13361 imasplusg 13362 imasmulr 13363 imasaddfn 13371 imasaddval 13372 imasaddf 13373 imasmulfn 13374 imasmulval 13375 imasmulf 13376 qusval 13377 qusaddflemg 13388 qusaddval 13389 qusaddf 13390 qusmulval 13391 qusmulf 13392 xpsfrnel 13398 xpsval 13406 ismgmn0 13412 igsumvalx 13443 gsumfzval 13445 gsumval2 13451 prdssgrpd 13469 ress0g 13497 prdsidlem 13501 prdsmndd 13502 prds0g 13503 ismhm 13515 mhmex 13516 0mhm 13540 prdsgrpd 13663 prdsinvgd 13664 qusgrp2 13671 mulgval 13680 mulgfng 13682 mulg1 13687 mulgnnp1 13688 mulgnndir 13709 issubg2m 13747 1nsgtrivd 13777 eqgval 13781 eqgen 13785 rngpropd 13939 qusrng 13942 issrg 13949 ringidss 14013 ringpropd 14022 qusring2 14050 dvdsrvald 14078 dvdsrd 14079 isunitd 14091 invrfvald 14107 dvrfvald 14118 rdivmuldivd 14129 invrpropdg 14134 isrim0 14146 rhmunitinv 14163 subrgintm 14228 rrgmex 14246 aprval 14267 lssmex 14340 islss3 14364 sraval 14422 sralemg 14423 srascag 14427 sravscag 14428 sraipg 14429 sraex 14431 lidlmex 14460 lidlrsppropdg 14480 2idlmex 14486 qusrhm 14513 zrhval 14602 psrval 14651 psrbasg 14659 psrplusgg 14663 psraddcl 14665 psr0cl 14666 psr0lid 14667 psrnegcl 14668 psrlinv 14669 psrgrp 14670 psr1clfi 14673 mplsubgfilemcl 14684 istopon 14708 istps 14727 tgclb 14760 restbasg 14863 restco 14869 lmfval 14888 cnfval 14889 cnpfval 14890 cnpval 14893 txcnp 14966 txrest 14971 ismet2 15049 xmetpsmet 15064 mopnval 15137 comet 15194 reldvg 15374 dvmptclx 15413 lgseisenlem2 15771 1vgrex 15842 upgriswlkdc 16132 |
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