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| Mirrors > Home > ILE Home > Th. List > elexd | Unicode 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 |
|
| Ref | Expression |
|---|---|
| elexd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elexd.1 |
. 2
| |
| 2 | elex 2815 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 7350 caseinr 7351 omniwomnimkv 7426 nninfdcinf 7430 acfun 7482 seq3val 10785 seqvalcd 10786 seqf1oglem2 10845 seqf1og 10846 hashennn 11105 wrdexg 11190 lswex 11231 ccatw2s1leng 11281 ccat2s1fvwd 11290 swrdspsleq 11314 cats1un 11368 cats1fvd 11413 s3fv0g 11438 s3fv1g 11439 s3fv2g 11440 s1s3d 11442 s1s4d 11443 s1s5d 11444 s1s6d 11445 s1s7d 11446 s2s2d 11447 s4s2d 11448 s4s3d 11449 s3s4d 11450 s2s5d 11451 s5s2d 11452 s4s4d 11453 lcmval 12715 hashdvds 12873 ennnfonelemp1 13107 isstruct2r 13173 strnfvnd 13182 strfvssn 13184 strslfv2d 13205 setsslid 13213 basmex 13222 basmexd 13223 ressbas2d 13231 ressval3d 13235 prdsex 13432 prdsval 13436 prdsbaslemss 13437 imasival 13469 imasbas 13470 imasplusg 13471 imasmulr 13472 imasaddfn 13480 imasaddval 13481 imasaddf 13482 imasmulfn 13483 imasmulval 13484 imasmulf 13485 qusval 13486 qusaddflemg 13497 qusaddval 13498 qusaddf 13499 qusmulval 13500 qusmulf 13501 xpsfrnel 13507 xpsval 13515 ismgmn0 13521 igsumvalx 13552 gsumfzval 13554 gsumval2 13560 prdssgrpd 13578 ress0g 13606 prdsidlem 13610 prdsmndd 13611 prds0g 13612 ismhm 13624 mhmex 13625 0mhm 13649 prdsgrpd 13772 prdsinvgd 13773 qusgrp2 13780 mulgval 13789 mulgfng 13791 mulg1 13796 mulgnnp1 13797 mulgnndir 13818 issubg2m 13856 1nsgtrivd 13886 eqgval 13890 eqgen 13894 rngpropd 14049 qusrng 14052 issrg 14059 ringidss 14123 ringpropd 14132 qusring2 14160 dvdsrvald 14188 dvdsrd 14189 isunitd 14201 invrfvald 14217 dvrfvald 14228 rdivmuldivd 14239 invrpropdg 14244 isrim0 14256 rhmunitinv 14273 subrgintm 14338 rrgmex 14356 aprval 14378 lssmex 14451 islss3 14475 sraval 14533 sralemg 14534 srascag 14538 sravscag 14539 sraipg 14540 sraex 14542 lidlmex 14571 lidlrsppropdg 14591 2idlmex 14597 qusrhm 14624 zrhval 14713 psrval 14762 psrbasg 14775 psrplusgg 14779 psraddcl 14781 psr0cl 14782 psr0lid 14783 psrnegcl 14784 psrlinv 14785 psrgrp 14786 psr1clfi 14789 mplsubgfilemcl 14800 istopon 14824 istps 14843 tgclb 14876 restbasg 14979 restco 14985 lmfval 15004 cnfval 15005 cnpfval 15006 cnpval 15009 txcnp 15082 txrest 15087 ismet2 15165 xmetpsmet 15180 mopnval 15253 comet 15310 reldvg 15490 dvmptclx 15529 lgseisenlem2 15890 1vgrex 15961 p1evtxdeqfilem 16252 p1evtxdeqfi 16253 p1evtxdp1fi 16254 upgriswlkdc 16301 eupth2lem3fi 16417 eupth2lembfi 16418 gfsumval 16809 |
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