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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 2812 | . 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 2800 |
| 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 2802 |
| This theorem is referenced by: ifexd 4579 dmmptd 5460 tfr1onlemsucfn 6501 tfrcllemsucfn 6514 frecrdg 6569 unsnfidcel 7106 fnfi 7126 caseinl 7281 caseinr 7282 omniwomnimkv 7357 nninfdcinf 7361 acfun 7412 seq3val 10712 seqvalcd 10713 seqf1oglem2 10772 seqf1og 10773 hashennn 11032 wrdexg 11114 lswex 11155 ccatw2s1leng 11205 ccat2s1fvwd 11214 swrdspsleq 11238 cats1un 11292 cats1fvd 11337 s3fv0g 11362 s3fv1g 11363 s3fv2g 11364 lcmval 12625 hashdvds 12783 ennnfonelemp1 13017 isstruct2r 13083 strnfvnd 13092 strfvssn 13094 strslfv2d 13115 setsslid 13123 basmex 13132 basmexd 13133 ressbas2d 13141 ressval3d 13145 prdsex 13342 prdsval 13346 prdsbaslemss 13347 imasival 13379 imasbas 13380 imasplusg 13381 imasmulr 13382 imasaddfn 13390 imasaddval 13391 imasaddf 13392 imasmulfn 13393 imasmulval 13394 imasmulf 13395 qusval 13396 qusaddflemg 13407 qusaddval 13408 qusaddf 13409 qusmulval 13410 qusmulf 13411 xpsfrnel 13417 xpsval 13425 ismgmn0 13431 igsumvalx 13462 gsumfzval 13464 gsumval2 13470 prdssgrpd 13488 ress0g 13516 prdsidlem 13520 prdsmndd 13521 prds0g 13522 ismhm 13534 mhmex 13535 0mhm 13559 prdsgrpd 13682 prdsinvgd 13683 qusgrp2 13690 mulgval 13699 mulgfng 13701 mulg1 13706 mulgnnp1 13707 mulgnndir 13728 issubg2m 13766 1nsgtrivd 13796 eqgval 13800 eqgen 13804 rngpropd 13958 qusrng 13961 issrg 13968 ringidss 14032 ringpropd 14041 qusring2 14069 dvdsrvald 14097 dvdsrd 14098 isunitd 14110 invrfvald 14126 dvrfvald 14137 rdivmuldivd 14148 invrpropdg 14153 isrim0 14165 rhmunitinv 14182 subrgintm 14247 rrgmex 14265 aprval 14286 lssmex 14359 islss3 14383 sraval 14441 sralemg 14442 srascag 14446 sravscag 14447 sraipg 14448 sraex 14450 lidlmex 14479 lidlrsppropdg 14499 2idlmex 14505 qusrhm 14532 zrhval 14621 psrval 14670 psrbasg 14678 psrplusgg 14682 psraddcl 14684 psr0cl 14685 psr0lid 14686 psrnegcl 14687 psrlinv 14688 psrgrp 14689 psr1clfi 14692 mplsubgfilemcl 14703 istopon 14727 istps 14746 tgclb 14779 restbasg 14882 restco 14888 lmfval 14907 cnfval 14908 cnpfval 14909 cnpval 14912 txcnp 14985 txrest 14990 ismet2 15068 xmetpsmet 15083 mopnval 15156 comet 15213 reldvg 15393 dvmptclx 15432 lgseisenlem2 15790 1vgrex 15861 upgriswlkdc 16157 |
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