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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 6505 tfrcllemsucfn 6518 frecrdg 6573 unsnfidcel 7112 fnfi 7134 caseinl 7289 caseinr 7290 omniwomnimkv 7365 nninfdcinf 7369 acfun 7421 seq3val 10721 seqvalcd 10722 seqf1oglem2 10781 seqf1og 10782 hashennn 11041 wrdexg 11123 lswex 11164 ccatw2s1leng 11214 ccat2s1fvwd 11223 swrdspsleq 11247 cats1un 11301 cats1fvd 11346 s3fv0g 11371 s3fv1g 11372 s3fv2g 11373 lcmval 12634 hashdvds 12792 ennnfonelemp1 13026 isstruct2r 13092 strnfvnd 13101 strfvssn 13103 strslfv2d 13124 setsslid 13132 basmex 13141 basmexd 13142 ressbas2d 13150 ressval3d 13154 prdsex 13351 prdsval 13355 prdsbaslemss 13356 imasival 13388 imasbas 13389 imasplusg 13390 imasmulr 13391 imasaddfn 13399 imasaddval 13400 imasaddf 13401 imasmulfn 13402 imasmulval 13403 imasmulf 13404 qusval 13405 qusaddflemg 13416 qusaddval 13417 qusaddf 13418 qusmulval 13419 qusmulf 13420 xpsfrnel 13426 xpsval 13434 ismgmn0 13440 igsumvalx 13471 gsumfzval 13473 gsumval2 13479 prdssgrpd 13497 ress0g 13525 prdsidlem 13529 prdsmndd 13530 prds0g 13531 ismhm 13543 mhmex 13544 0mhm 13568 prdsgrpd 13691 prdsinvgd 13692 qusgrp2 13699 mulgval 13708 mulgfng 13710 mulg1 13715 mulgnnp1 13716 mulgnndir 13737 issubg2m 13775 1nsgtrivd 13805 eqgval 13809 eqgen 13813 rngpropd 13967 qusrng 13970 issrg 13977 ringidss 14041 ringpropd 14050 qusring2 14078 dvdsrvald 14106 dvdsrd 14107 isunitd 14119 invrfvald 14135 dvrfvald 14146 rdivmuldivd 14157 invrpropdg 14162 isrim0 14174 rhmunitinv 14191 subrgintm 14256 rrgmex 14274 aprval 14295 lssmex 14368 islss3 14392 sraval 14450 sralemg 14451 srascag 14455 sravscag 14456 sraipg 14457 sraex 14459 lidlmex 14488 lidlrsppropdg 14508 2idlmex 14514 qusrhm 14541 zrhval 14630 psrval 14679 psrbasg 14687 psrplusgg 14691 psraddcl 14693 psr0cl 14694 psr0lid 14695 psrnegcl 14696 psrlinv 14697 psrgrp 14698 psr1clfi 14701 mplsubgfilemcl 14712 istopon 14736 istps 14755 tgclb 14788 restbasg 14891 restco 14897 lmfval 14916 cnfval 14917 cnpfval 14918 cnpval 14921 txcnp 14994 txrest 14999 ismet2 15077 xmetpsmet 15092 mopnval 15165 comet 15222 reldvg 15402 dvmptclx 15441 lgseisenlem2 15799 1vgrex 15870 p1evtxdeqfilem 16161 p1evtxdeqfi 16162 p1evtxdp1fi 16163 upgriswlkdc 16210 gfsumval 16680 |
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