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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 2815 | . 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 2803 |
| 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 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 2805 |
| This theorem is referenced by: ifexd 4587 dmmptd 5470 mptsuppd 6434 suppssfvg 6441 tfr1onlemsucfn 6549 tfrcllemsucfn 6562 frecrdg 6617 unsnfidcel 7156 fnfi 7178 caseinl 7333 caseinr 7334 omniwomnimkv 7409 nninfdcinf 7413 acfun 7465 seq3val 10768 seqvalcd 10769 seqf1oglem2 10828 seqf1og 10829 hashennn 11088 wrdexg 11173 lswex 11214 ccatw2s1leng 11264 ccat2s1fvwd 11273 swrdspsleq 11297 cats1un 11351 cats1fvd 11396 s3fv0g 11421 s3fv1g 11422 s3fv2g 11423 s1s3d 11425 s1s4d 11426 s1s5d 11427 s1s6d 11428 s1s7d 11429 s2s2d 11430 s4s2d 11431 s4s3d 11432 s3s4d 11433 s2s5d 11434 s5s2d 11435 s4s4d 11436 lcmval 12698 hashdvds 12856 ennnfonelemp1 13090 isstruct2r 13156 strnfvnd 13165 strfvssn 13167 strslfv2d 13188 setsslid 13196 basmex 13205 basmexd 13206 ressbas2d 13214 ressval3d 13218 prdsex 13415 prdsval 13419 prdsbaslemss 13420 imasival 13452 imasbas 13453 imasplusg 13454 imasmulr 13455 imasaddfn 13463 imasaddval 13464 imasaddf 13465 imasmulfn 13466 imasmulval 13467 imasmulf 13468 qusval 13469 qusaddflemg 13480 qusaddval 13481 qusaddf 13482 qusmulval 13483 qusmulf 13484 xpsfrnel 13490 xpsval 13498 ismgmn0 13504 igsumvalx 13535 gsumfzval 13537 gsumval2 13543 prdssgrpd 13561 ress0g 13589 prdsidlem 13593 prdsmndd 13594 prds0g 13595 ismhm 13607 mhmex 13608 0mhm 13632 prdsgrpd 13755 prdsinvgd 13756 qusgrp2 13763 mulgval 13772 mulgfng 13774 mulg1 13779 mulgnnp1 13780 mulgnndir 13801 issubg2m 13839 1nsgtrivd 13869 eqgval 13873 eqgen 13877 rngpropd 14032 qusrng 14035 issrg 14042 ringidss 14106 ringpropd 14115 qusring2 14143 dvdsrvald 14171 dvdsrd 14172 isunitd 14184 invrfvald 14200 dvrfvald 14211 rdivmuldivd 14222 invrpropdg 14227 isrim0 14239 rhmunitinv 14256 subrgintm 14321 rrgmex 14339 aprval 14361 lssmex 14434 islss3 14458 sraval 14516 sralemg 14517 srascag 14521 sravscag 14522 sraipg 14523 sraex 14525 lidlmex 14554 lidlrsppropdg 14574 2idlmex 14580 qusrhm 14607 zrhval 14696 psrval 14745 psrbasg 14758 psrplusgg 14762 psraddcl 14764 psr0cl 14765 psr0lid 14766 psrnegcl 14767 psrlinv 14768 psrgrp 14769 psr1clfi 14772 mplsubgfilemcl 14783 istopon 14807 istps 14826 tgclb 14859 restbasg 14962 restco 14968 lmfval 14987 cnfval 14988 cnpfval 14989 cnpval 14992 txcnp 15065 txrest 15070 ismet2 15148 xmetpsmet 15163 mopnval 15236 comet 15293 reldvg 15473 dvmptclx 15512 lgseisenlem2 15873 1vgrex 15944 p1evtxdeqfilem 16235 p1evtxdeqfi 16236 p1evtxdp1fi 16237 upgriswlkdc 16284 eupth2lem3fi 16400 eupth2lembfi 16401 gfsumval 16792 |
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