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Mirrors > Home > MPE Home > Th. List > elpw | Structured version Visualization version GIF version |
Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. (Contributed by NM, 31-Dec-1993.) |
Ref | Expression |
---|---|
elpw.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
elpw | ⊢ (𝐴 ∈ 𝒫 𝐵 ↔ 𝐴 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpw.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | sseq1 3626 | . 2 ⊢ (𝑥 = 𝐴 → (𝑥 ⊆ 𝐵 ↔ 𝐴 ⊆ 𝐵)) | |
3 | df-pw 4160 | . 2 ⊢ 𝒫 𝐵 = {𝑥 ∣ 𝑥 ⊆ 𝐵} | |
4 | 1, 2, 3 | elab2 3354 | 1 ⊢ (𝐴 ∈ 𝒫 𝐵 ↔ 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 196 ∈ wcel 1990 Vcvv 3200 ⊆ wss 3574 𝒫 cpw 4158 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-in 3581 df-ss 3588 df-pw 4160 |
This theorem is referenced by: selpw 4165 0elpw 4834 snelpwi 4912 snelpw 4913 prelpw 4914 sspwb 4917 pwssun 5020 xpsspw 5233 knatar 6607 iunpw 6978 ssenen 8134 fissuni 8271 fipreima 8272 fiin 8328 fipwuni 8332 dffi3 8337 marypha1lem 8339 inf3lem6 8530 tz9.12lem3 8652 rankonidlem 8691 r0weon 8835 infpwfien 8885 dfac5lem4 8949 dfac2 8953 dfac12lem2 8966 enfin2i 9143 isfin1-3 9208 itunitc1 9242 hsmexlem4 9251 hsmexlem5 9252 axdc4lem 9277 pwfseqlem1 9480 eltsk2g 9573 ixxssxr 12187 ioof 12271 fzof 12467 hashbclem 13236 incexclem 14568 ramub1lem1 15730 ramub1lem2 15731 prdsplusg 16118 prdsmulr 16119 prdsvsca 16120 submrc 16288 isacs2 16314 isssc 16480 homaf 16680 catcfuccl 16759 catcxpccl 16847 clatl 17116 fpwipodrs 17164 isacs4lem 17168 isacs5lem 17169 dprd2dlem1 18440 ablfac1b 18469 cssval 20026 tgdom 20782 distop 20799 fctop 20808 cctop 20810 ppttop 20811 pptbas 20812 epttop 20813 mretopd 20896 resttopon 20965 dishaus 21186 discmp 21201 cmpsublem 21202 cmpsub 21203 conncompid 21234 2ndcsep 21262 cldllycmp 21298 dislly 21300 iskgen3 21352 kgencn2 21360 txuni2 21368 dfac14 21421 prdstopn 21431 txcmplem1 21444 txcmplem2 21445 hmphdis 21599 fbssfi 21641 trfbas2 21647 uffixsn 21729 hauspwpwf1 21791 alexsubALTlem2 21852 ustuqtop0 22044 met1stc 22326 restmetu 22375 icccmplem1 22625 icccmplem2 22626 opnmbllem 23369 sqff1o 24908 incistruhgr 25974 upgrbi 25988 umgrbi 25996 upgr1e 26008 umgredg 26033 uspgr1e 26136 uhgrspansubgrlem 26182 eupth2lems 27098 sspval 27578 foresf1o 29343 cmpcref 29917 esumpcvgval 30140 esumcvg 30148 esum2d 30155 pwsiga 30193 difelsiga 30196 sigainb 30199 inelpisys 30217 pwldsys 30220 rossros 30243 measssd 30278 cntnevol 30291 ddemeas 30299 mbfmcnt 30330 br2base 30331 sxbrsigalem0 30333 oms0 30359 probun 30481 coinfliprv 30544 ballotth 30599 cvmcov2 31257 dmscut 31918 elfuns 32022 altxpsspw 32084 elhf2 32282 neibastop1 32354 neibastop2lem 32355 opnmbllem0 33445 heiborlem1 33610 heiborlem8 33617 pclfinN 35186 mapd1o 36937 elrfi 37257 ismrcd2 37262 istopclsd 37263 mrefg2 37270 isnacs3 37273 dfac11 37632 islssfg2 37641 lnr2i 37686 clsk1independent 38344 isotone1 38346 isotone2 38347 gneispace 38432 trsspwALT 39045 trsspwALT2 39046 trsspwALT3 39047 pwtrVD 39059 icof 39411 stoweidlem57 40274 intsal 40548 salexct 40552 sge0resplit 40623 sge0reuz 40664 omeiunltfirp 40733 smfpimbor1lem1 41005 sprvalpw 41730 sprsymrelf 41745 sprsymrelf1 41746 uspgropssxp 41752 uspgrsprf 41754 |
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