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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 7485 caucvgprlemladdrl 7486 suplocexprlemmu 7526 suplocexprlemru 7527 suplocexprlemdisj 7528 suplocexprlemub 7531 nnindnn 7701 negf1o 8144 apsscn 8409 sup3exmid 8715 nnind 8736 peano2uz2 9158 peano5uzti 9159 dfuzi 9161 uzind 9162 uzind3 9164 eluz1 9330 uzind4 9383 supinfneg 9390 infsupneg 9391 eqreznegel 9406 elixx1 9680 elioo2 9704 elfz1 9795 expcl2lemap 10305 expclzaplem 10317 expclzap 10318 expap0i 10325 expge0 10329 expge1 10330 hashennnuni 10525 shftf 10602 reccn2ap 11082 dvdsdivcl 11548 divalgmod 11624 zsupcl 11640 infssuzex 11642 infssuzcldc 11644 bezoutlemsup 11697 dfgcd2 11702 lcmcllem 11748 lcmledvds 11751 lcmgcdlem 11758 1nprm 11795 1idssfct 11796 isprm2 11798 phicl2 11890 hashdvds 11897 oddennn 11905 evenennn 11906 znnen 11911 ennnfonelemg 11916 ennnfonelemom 11921 istopon 12180 epttop 12259 iscld 12272 isnei 12313 neipsm 12323 iscn 12366 iscnp 12368 txdis1cn 12447 ishmeo 12473 ispsmet 12492 ismet 12513 isxmet 12514 elblps 12559 elbl 12560 xmetxpbl 12677 reopnap 12707 divcnap 12724 elcncf 12729 cdivcncfap 12756 cnopnap 12763 ellimc3apf 12798 limccoap 12816 dvlemap 12818 dvidlemap 12829 dvcnp2cntop 12832 dvaddxxbr 12834 dvmulxxbr 12835 dvcoapbr 12840 dvcjbr 12841 dvrecap 12846 dveflem 12855 subctctexmid 13196 |
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