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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 3973 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 2 | 1 | sspwd 4542 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| 3 | eqimss2 3974 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
| 4 | 3 | sspwd 4542 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
| 5 | 2, 4 | eqssd 3932 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 𝒫 cpw 4529 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-v 3433 df-ss 3900 df-pw 4531 |
| This theorem is referenced by: pweqi 4545 pweqd 4546 axpweq 5279 pwexg 5307 pwssun 5510 knatar 7301 pwdom 9057 canth2g 9059 pwfi 9219 fival 9315 marypha1lem 9336 marypha1 9337 wdompwdom 9483 canthwdom 9484 r1sucg 9684 ranklim 9759 r1pwALT 9761 isacn 9957 dfac12r 10060 dfac12k 10061 pwsdompw 10116 ackbij1lem8 10139 ackbij1lem14 10145 r1om 10156 fictb 10157 isfin1a 10205 isfin2 10207 isfin3 10209 isfin3ds 10242 isf33lem 10279 domtriomlem 10355 ttukeylem1 10422 elgch 10536 wunpw 10621 wunex2 10652 wuncval2 10661 eltskg 10664 eltsk2g 10665 tskpwss 10666 tskpw 10667 inar1 10689 grupw 10709 grothpw 10740 grothpwex 10741 axgroth6 10742 grothomex 10743 grothac 10744 indv 12152 axdc4uz 13937 hashpw 14389 hashbc 14406 ackbijnn 15784 incexclem 15792 rami 16977 ismre 17543 isacs 17608 isacs2 17610 acsfiel 17611 isacs1i 17614 mreacs 17615 isssc 17778 acsficl 18504 efmnd 18829 pmtrfval 19416 selvffval 22094 istopg 22878 istopon 22895 eltg 22940 tgdom 22961 ntrval 23019 nrmsep3 23338 iscmp 23371 cmpcov 23372 cmpsublem 23382 cmpsub 23383 tgcmp 23384 uncmp 23386 hauscmplem 23389 is1stc 23424 2ndc1stc 23434 llyi 23457 nllyi 23458 cldllycmp 23478 isfbas 23812 isfil 23830 filss 23836 fgval 23853 elfg 23854 isufil 23886 alexsublem 24027 alexsubb 24029 alexsubALTlem1 24030 alexsubALTlem2 24031 alexsubALTlem4 24033 alexsubALT 24034 restmetu 24553 bndth 24943 ovolicc2 25507 uhgreq12g 29152 uhgr0vb 29159 isupgr 29171 isumgr 29182 isuspgr 29239 isusgr 29240 isausgr 29251 lfuhgr1v0e 29341 nbuhgr2vtx1edgblem 29438 ex-pw 30517 esplyval 33746 iscref 34028 sigaval 34295 issiga 34296 isrnsiga 34297 issgon 34307 isldsys 34340 issros 34359 measval 34382 isrnmeas 34384 rankpwg 36397 neibastop1 36587 neibastop2lem 36588 neibastop2 36589 neibastop3 36590 neifg 36599 limsucncmpi 36673 bj-snglex 37326 bj-ismoore 37463 pibp19 37776 pibt2 37779 cover2g 38083 isnacs 43153 mrefg2 43156 aomclem8 43506 islssfg2 43516 lnr2i 43561 pwelg 44004 fsovd 44452 fsovcnvlem 44457 dssmapfvd 44461 clsk1independent 44490 ntrneibex 44517 mnuop123d 44706 stoweidlem50 46493 stoweidlem57 46500 issal 46757 omessle 46941 grtri 48431 vsetrec 50193 elpglem3 50203 pgindnf 50206 |
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