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| Mirrors > Home > MPE Home > Th. List > pweq | Structured version Visualization version GIF version | ||
| Description: Equality theorem for power class. (Contributed by NM, 21-Jun-1993.) (Proof shortened by BJ, 13-Apr-2024.) |
| Ref | Expression |
|---|---|
| pweq | ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqimss 4003 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 2 | 1 | sspwd 4580 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| 3 | eqimss2 4004 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
| 4 | 3 | sspwd 4580 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
| 5 | 2, 4 | eqssd 3962 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 𝒫 cpw 4567 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 df-ss 3930 df-pw 4569 |
| This theorem is referenced by: pweqi 4583 pweqd 4584 axpweq 5322 pwexg 5350 pwssun 5554 knatar 7356 pwdom 9116 canth2g 9118 pwfi 9277 fival 9371 marypha1lem 9392 marypha1 9393 wdompwdom 9539 canthwdom 9540 r1sucg 9740 ranklim 9815 r1pwALT 9817 isacn 10027 dfac12r 10129 dfac12k 10130 pwsdompw 10185 ackbij1lem8 10208 ackbij1lem14 10214 r1om 10225 fictb 10226 isfin1a 10275 isfin2 10277 isfin3 10279 isfin3ds 10312 isf33lem 10349 domtriomlem 10425 ttukeylem1 10492 elgch 10606 wunpw 10691 wunex2 10722 wuncval2 10731 eltskg 10734 eltsk2g 10735 tskpwss 10736 tskpw 10737 inar1 10759 grupw 10779 grothpw 10810 grothpwex 10811 axgroth6 10812 grothomex 10813 grothac 10814 indv 12219 axdc4uz 14019 hashpw 14472 hashbc 14489 ackbijnn 15881 incexclem 15889 rami 17074 ismre 17641 isacs 17706 isacs2 17708 acsfiel 17709 isacs1i 17712 mreacs 17713 isssc 17876 acsficl 18602 efmnd 18928 pmtrfval 19519 selvffval 22237 istopg 23020 istopon 23037 eltg 23082 tgdom 23103 ntrval 23161 nrmsep3 23480 iscmp 23513 cmpcov 23514 cmpsublem 23524 cmpsub 23525 tgcmp 23526 uncmp 23528 hauscmplem 23531 is1stc 23566 2ndc1stc 23576 llyi 23599 nllyi 23600 cldllycmp 23620 isfbas 23954 isfil 23972 filss 23978 fgval 23995 elfg 23996 isufil 24028 alexsublem 24169 alexsubb 24171 alexsubALTlem1 24172 alexsubALTlem2 24173 alexsubALTlem4 24175 alexsubALT 24176 restmetu 24695 bndth 25085 ovolicc2 25649 uhgreq12g 29355 uhgr0vb 29362 isupgr 29374 isumgr 29385 isuspgr 29442 isusgr 29443 isausgr 29454 lfuhgr1v0e 29544 nbuhgr2vtx1edgblem 29641 ex-pw 30720 esplyval 33896 iscref 34178 sigaval 34445 issiga 34446 isrnsiga 34447 issgon 34457 isldsys 34490 issros 34509 measval 34532 isrnmeas 34534 rankpwg 36559 neibastop1 36758 neibastop2lem 36759 neibastop2 36760 neibastop3 36761 neifg 36770 limsucncmpi 36844 bj-snglex 37496 bj-ismoore 37634 pibp19 37947 pibt2 37950 cover2g 38254 isnacs 43326 mrefg2 43329 aomclem8 43679 islssfg2 43689 lnr2i 43734 pwelg 44177 fsovd 44625 fsovcnvlem 44630 dssmapfvd 44634 clsk1independent 44663 ntrneibex 44690 mnuop123d 44863 stoweidlem50 46655 stoweidlem57 46662 issal 46919 omessle 47103 grtri 48593 vsetrec 50365 elpglem3 50375 pgindnf 50378 |
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