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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 2833 | . 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 2209 Vcvv 2821 |
| 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 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is referenced by: ifexd 4625 dmmptd 5509 mptsuppd 6486 suppssfvg 6493 tfr1onlemsucfn 6601 tfrcllemsucfn 6614 frecrdg 6669 mapsnend 7089 mapunen 7141 unsnfidcel 7218 fnfi 7240 caseinl 7421 caseinr 7422 omniwomnimkv 7497 nninfdcinf 7501 acfun 7553 seq3val 10875 seqvalcd 10876 seqf1oglem2 10935 seqf1og 10936 hashennn 11197 wrdexg 11293 lswex 11334 ccatw2s1leng 11384 ccat2s1fvwd 11393 swrdspsleq 11417 cats1un 11471 cats1fvd 11516 s3fv0g 11541 s3fv1g 11542 s3fv2g 11543 s1s3d 11545 s1s4d 11546 s1s5d 11547 s1s6d 11548 s1s7d 11549 s2s2d 11550 s4s2d 11551 s4s3d 11552 s3s4d 11553 s2s5d 11554 s5s2d 11555 s4s4d 11556 lcmval 12819 ballotfilemsv 13231 ennnfonelemp1 13275 isstruct2r 13341 strnfvnd 13350 strfvssn 13352 strslfv2d 13373 setsslid 13381 basmex 13390 basmexd 13391 ressbas2d 13399 ressval3d 13403 imasival 13604 imasbas 13605 imasplusg 13606 imasmulr 13607 imasaddfn 13615 imasaddval 13616 imasaddf 13617 imasmulfn 13618 imasmulval 13619 imasmulf 13620 qusval 13621 qusaddflemg 13632 qusaddval 13633 qusaddf 13634 qusmulval 13635 qusmulf 13636 xpsfrnel 13642 ismgmn0 13655 gzsumvalx 13686 gzsumfzval 13688 gzsumval2 13691 ress0g 13733 ismhm 13745 mhmex 13746 0mhm 13770 qusgrp2 13893 mulgval 13902 mulgfng 13904 mulg1 13909 mulgnnp1 13910 mulgnndir 13931 issubg2m 13969 1nsgtrivd 13999 eqgval 14003 eqgen 14007 gsumvalfi 14129 prdsex 14149 prdsval 14150 prdsbaslemss 14151 prdssgrpd 14168 prdsidlem 14170 prdsmndd 14171 prds0g 14172 prdsgrpd 14174 prdsinvgd 14175 xpsval 14178 rngpropd 14229 qusrng 14232 issrg 14243 ringidss 14307 ringpropd 14316 qusring2 14344 opprringb 14359 dvdsrvald 14373 dvdsrd 14374 isunitd 14386 invrfvald 14402 dvrfvald 14413 rdivmuldivd 14424 invrpropdg 14429 isrim0 14441 rhmunitinv 14458 subrgintm 14524 rrgmex 14542 aprval 14564 aprprop 14574 lssmex 14664 islss3 14688 sraval 14746 sralemg 14747 srascag 14751 sravscag 14752 sraipg 14753 sraex 14755 lidlmex 14784 lidlrsppropdg 14804 2idlmex 14810 qusrhm 14837 zrhval 14924 psrval 14973 psrbasg 14988 psrplusgg 14992 psraddcl 14994 psr0cl 14995 psr0lid 14996 psrnegcl 14997 psrlinv 14998 psrgrp 14999 psr1clfi 15002 mplsubgfilemcl 15013 istopon 15037 istps 15056 tgclb 15089 restbasg 15192 restco 15198 lmfval 15217 cnfval 15218 cnpfval 15219 cnpval 15222 txcnp 15295 txrest 15300 ismet2 15378 xmetpsmet 15393 mopnval 15466 comet 15523 reldvg 15703 dvmptclx 15742 lgseisenlem2 16104 1vgrex 16175 p1evtxdeqfilem 16466 p1evtxdeqfi 16467 p1evtxdp1fi 16468 upgriswlkdc 16515 eupth2lem3fi 16631 eupth2lembfi 16632 |
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