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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 3994 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 2 | 1 | sspwd 4568 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| 3 | eqimss2 3995 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
| 4 | 3 | sspwd 4568 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
| 5 | 2, 4 | eqssd 3953 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 𝒫 cpw 4555 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1563 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3456 df-ss 3921 df-pw 4557 |
| This theorem is referenced by: pweqi 4571 pweqd 4572 axpweq 5307 pwexg 5335 pwssun 5539 knatar 7341 pwdom 9101 canth2g 9103 pwfi 9263 fival 9358 marypha1lem 9379 marypha1 9380 wdompwdom 9526 canthwdom 9527 r1sucg 9727 ranklim 9802 r1pwALT 9804 isacn 10000 dfac12r 10103 dfac12k 10104 pwsdompw 10159 ackbij1lem8 10182 ackbij1lem14 10188 r1om 10199 fictb 10200 isfin1a 10249 isfin2 10251 isfin3 10253 isfin3ds 10286 isf33lem 10323 domtriomlem 10399 ttukeylem1 10466 elgch 10580 wunpw 10665 wunex2 10696 wuncval2 10705 eltskg 10708 eltsk2g 10709 tskpwss 10710 tskpw 10711 inar1 10733 grupw 10753 grothpw 10784 grothpwex 10785 axgroth6 10786 grothomex 10787 grothac 10788 indv 12197 axdc4uz 13997 hashpw 14449 hashbc 14466 ackbijnn 15858 incexclem 15866 rami 17051 ismre 17618 isacs 17683 isacs2 17685 acsfiel 17686 isacs1i 17689 mreacs 17690 isssc 17853 acsficl 18579 efmnd 18904 pmtrfval 19490 selvffval 22171 istopg 22955 istopon 22972 eltg 23017 tgdom 23038 ntrval 23096 nrmsep3 23415 iscmp 23448 cmpcov 23449 cmpsublem 23459 cmpsub 23460 tgcmp 23461 uncmp 23463 hauscmplem 23466 is1stc 23501 2ndc1stc 23511 llyi 23534 nllyi 23535 cldllycmp 23555 isfbas 23889 isfil 23907 filss 23913 fgval 23930 elfg 23931 isufil 23963 alexsublem 24104 alexsubb 24106 alexsubALTlem1 24107 alexsubALTlem2 24108 alexsubALTlem4 24110 alexsubALT 24111 restmetu 24630 bndth 25020 ovolicc2 25584 uhgreq12g 29266 uhgr0vb 29273 isupgr 29285 isumgr 29296 isuspgr 29353 isusgr 29354 isausgr 29365 lfuhgr1v0e 29455 nbuhgr2vtx1edgblem 29552 ex-pw 30631 esplyval 33859 iscref 34141 sigaval 34408 issiga 34409 isrnsiga 34410 issgon 34420 isldsys 34453 issros 34472 measval 34495 isrnmeas 34497 rankpwg 36519 neibastop1 36719 neibastop2lem 36720 neibastop2 36721 neibastop3 36722 neifg 36731 limsucncmpi 36805 bj-snglex 37458 bj-ismoore 37595 pibp19 37908 pibt2 37911 cover2g 38215 isnacs 43285 mrefg2 43288 aomclem8 43638 islssfg2 43648 lnr2i 43693 pwelg 44136 fsovd 44584 fsovcnvlem 44589 dssmapfvd 44593 clsk1independent 44622 ntrneibex 44649 mnuop123d 44838 stoweidlem50 46624 stoweidlem57 46631 issal 46888 omessle 47072 grtri 48562 vsetrec 50324 elpglem3 50334 pgindnf 50337 |
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