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Mirrors > Home > ILE Home > Th. List > elrab | GIF version |
Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 21-May-1999.) |
Ref | Expression |
---|---|
elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
elrab | ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2281 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | nfcv 2281 | . 2 ⊢ Ⅎ𝑥𝐵 | |
3 | nfv 1508 | . 2 ⊢ Ⅎ𝑥𝜓 | |
4 | elrab.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
5 | 1, 2, 3, 4 | elrabf 2838 | 1 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 = wceq 1331 ∈ wcel 1480 {crab 2420 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-rab 2425 df-v 2688 |
This theorem is referenced by: elrab3 2841 elrabd 2842 elrab2 2843 ralrab 2845 rexrab 2847 rabsnt 3598 unimax 3770 ssintub 3789 intminss 3796 exmidexmid 4120 exmidsssnc 4126 rabxfrd 4390 ordtri2or2exmidlem 4441 onsucelsucexmidlem1 4443 sefvex 5442 ssimaex 5482 acexmidlem2 5771 elpmg 6558 ssfilem 6769 diffitest 6781 inffiexmid 6800 supubti 6886 suplubti 6887 ctssexmid 7024 exmidonfinlem 7049 caucvgprlemladdfu 7488 caucvgprlemladdrl 7489 suplocexprlemmu 7529 suplocexprlemru 7530 suplocexprlemdisj 7531 suplocexprlemub 7534 nnindnn 7704 negf1o 8147 apsscn 8412 sup3exmid 8718 nnind 8739 peano2uz2 9161 peano5uzti 9162 dfuzi 9164 uzind 9165 uzind3 9167 eluz1 9333 uzind4 9386 supinfneg 9393 infsupneg 9394 eqreznegel 9409 elixx1 9683 elioo2 9707 elfz1 9798 expcl2lemap 10308 expclzaplem 10320 expclzap 10321 expap0i 10328 expge0 10332 expge1 10333 hashennnuni 10528 shftf 10605 reccn2ap 11085 dvdsdivcl 11551 divalgmod 11627 zsupcl 11643 infssuzex 11645 infssuzcldc 11647 bezoutlemsup 11700 dfgcd2 11705 lcmcllem 11751 lcmledvds 11754 lcmgcdlem 11761 1nprm 11798 1idssfct 11799 isprm2 11801 phicl2 11893 hashdvds 11900 oddennn 11908 evenennn 11909 znnen 11914 ennnfonelemg 11919 ennnfonelemom 11924 istopon 12183 epttop 12262 iscld 12275 isnei 12316 neipsm 12326 iscn 12369 iscnp 12371 txdis1cn 12450 ishmeo 12476 ispsmet 12495 ismet 12516 isxmet 12517 elblps 12562 elbl 12563 xmetxpbl 12680 reopnap 12710 divcnap 12727 elcncf 12732 cdivcncfap 12759 cnopnap 12766 ellimc3apf 12801 limccoap 12819 dvlemap 12821 dvidlemap 12832 dvcnp2cntop 12835 dvaddxxbr 12837 dvmulxxbr 12838 dvcoapbr 12843 dvcjbr 12844 dvrecap 12849 dveflem 12858 subctctexmid 13199 |
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