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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 3995 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 2 | 1 | sspwd 4575 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| 3 | eqimss2 3996 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
| 4 | 3 | sspwd 4575 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
| 5 | 2, 4 | eqssd 3954 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 𝒫 cpw 4562 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-v 3457 df-ss 3922 df-pw 4564 |
| This theorem is referenced by: pweqi 4578 pweqd 4579 axpweq 5321 pwexg 5349 pwssun 5553 knatar 7355 pwdom 9113 canth2g 9115 pwfi 9274 fival 9368 marypha1lem 9389 marypha1 9390 wdompwdom 9536 canthwdom 9537 r1sucg 9737 ranklim 9812 r1pwALT 9814 isacn 10024 dfac12r 10126 dfac12k 10127 pwsdompw 10182 ackbij1lem8 10205 ackbij1lem14 10211 r1om 10222 fictb 10223 isfin1a 10271 isfin2 10273 isfin3 10275 isfin3ds 10308 isf33lem 10345 domtriomlem 10421 ttukeylem1 10488 elgch 10602 wunpw 10687 wunex2 10718 wuncval2 10727 eltskg 10730 eltsk2g 10731 tskpwss 10732 tskpw 10733 inar1 10755 grupw 10775 grothpw 10806 grothpwex 10807 axgroth6 10808 grothomex 10809 grothac 10810 indv 12215 axdc4uz 14016 hashpw 14469 hashbc 14486 ackbijnn 15878 incexclem 15886 rami 17070 ismre 17637 isacs 17702 isacs2 17704 acsfiel 17705 isacs1i 17708 mreacs 17709 isssc 17872 acsficl 18598 efmnd 18924 pmtrfval 19515 selvffval 22269 istopg 23052 istopon 23069 eltg 23114 tgdom 23135 ntrval 23193 nrmsep3 23512 iscmp 23545 cmpcov 23546 cmpsublem 23556 cmpsub 23557 tgcmp 23558 uncmp 23560 hauscmplem 23563 is1stc 23598 2ndc1stc 23608 llyi 23631 nllyi 23632 cldllycmp 23652 isfbas 23986 isfil 24004 filss 24010 fgval 24027 elfg 24028 isufil 24060 alexsublem 24201 alexsubb 24203 alexsubALTlem1 24204 alexsubALTlem2 24205 alexsubALTlem4 24207 alexsubALT 24208 restmetu 24727 bndth 25117 ovolicc2 25681 uhgreq12g 29415 uhgr0vb 29422 isupgr 29434 isumgr 29445 isuspgr 29502 isusgr 29503 isausgr 29514 lfuhgr1v0e 29604 nbuhgr2vtx1edgblem 29701 ex-pw 30780 esplyval 33952 iscref 34234 sigaval 34501 issiga 34502 isrnsiga 34503 issgon 34513 isldsys 34546 issros 34565 measval 34588 isrnmeas 34590 rankpwg 36661 neibastop1 36870 neibastop2lem 36871 neibastop2 36872 neibastop3 36873 neifg 36882 limsucncmpi 36956 bj-snglex 37609 bj-ismoore 37747 pibp19 38060 pibt2 38063 cover2g 38367 isnacs 43435 mrefg2 43438 aomclem8 43788 islssfg2 43798 lnr2i 43843 pwelg 44286 fsovd 44734 fsovcnvlem 44739 dssmapfvd 44743 clsk1independent 44772 ntrneibex 44799 mnuop123d 44972 stoweidlem50 46764 stoweidlem57 46771 issal 47028 omessle 47212 grtri 48705 vsetrec 50481 elpglem3 50491 pgindnf 50494 |
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