Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version |
Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
Ref | Expression |
---|---|
elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
2 | 1 | elrab 3679 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
3 | 2 | baib 538 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1533 ∈ wcel 2110 {crab 3142 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-rab 3147 df-v 3496 |
This theorem is referenced by: unimax 4866 fnelfp 6931 fnelnfp 6933 fnse 7821 fin23lem30 9758 isf32lem5 9773 negn0 11063 ublbneg 12327 supminf 12329 sadval 15799 smuval 15824 dvdslcm 15936 dvdslcmf 15969 isprm2lem 16019 isacs1i 16922 isinito 17254 istermo 17255 subgacs 18307 nsgacs 18308 odngen 18696 sdrgacs 19574 lssacs 19733 mretopd 21694 txkgen 22254 xkoco1cn 22259 xkoco2cn 22260 xkoinjcn 22289 ordthmeolem 22403 shft2rab 24103 sca2rab 24107 lhop1lem 24604 ftalem5 25648 vmasum 25786 israg 26477 ebtwntg 26762 eupth2lem3lem3 28003 eupth2lem3lem4 28004 eupth2lem3lem6 28006 cycpmco2lem1 30763 cycpmco2lem4 30766 cycpmco2 30770 tgoldbachgt 31929 cvmliftmolem1 32523 neibastop3 33705 fdc 35014 pclvalN 37020 dvhb1dimN 38116 hdmaplkr 39043 diophren 39403 islmodfg 39662 fsovcnvlem 40352 ntrneiel 40424 radcnvrat 40639 supminfxr 41733 stoweidlem34 42313 |
Copyright terms: Public domain | W3C validator |