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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 3331 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
3 | 2 | baib 942 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 = wceq 1475 ∈ wcel 1977 {crab 2900 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rab 2905 df-v 3175 |
This theorem is referenced by: unimax 4409 fnelfp 6346 fnelnfp 6348 fnse 7181 fin23lem30 9047 isf32lem5 9062 negn0 10338 ublbneg 11649 supminf 11651 sadval 15016 smuval 15041 dvdslcm 15149 dvdslcmf 15182 isacs1i 16141 isinito 16473 istermo 16474 subgacs 17452 nsgacs 17453 odngen 17815 lssacs 18788 mretopd 20706 txkgen 21265 xkoco1cn 21270 xkoco2cn 21271 xkoinjcn 21300 ordthmeolem 21414 shft2rab 23083 sca2rab 23087 lhop1lem 23580 ftalem5 24603 vmasum 24741 israg 25392 ebtwntg 25662 nbgranself 25963 eupath2lem3 26506 cvmliftmolem1 30517 nobndlem5 31095 nobndup 31099 nobnddown 31100 neibastop3 31527 fdc 32711 pclvalN 34194 dvhb1dimN 35292 hdmaplkr 36223 diophren 36395 islmodfg 36657 sdrgacs 36790 fsovcnvlem 37327 ntrneiel 37399 radcnvrat 37535 stoweidlem34 38927 eupth2lem3lem3 41398 eupth2lem3lem4 41399 eupth2lem3lem6 41401 |
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