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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 4023 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
2 | 1 | sspwd 4554 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
3 | eqimss2 4024 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
4 | 3 | sspwd 4554 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
5 | 2, 4 | eqssd 3984 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 𝒫 cpw 4539 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-v 3496 df-in 3943 df-ss 3952 df-pw 4541 |
This theorem is referenced by: pweqi 4557 pweqd 4558 axpweq 5265 pwexg 5279 pwssun 5456 knatar 7110 pwdom 8669 canth2g 8671 pwfi 8819 fival 8876 marypha1lem 8897 marypha1 8898 wdompwdom 9042 canthwdom 9043 r1sucg 9198 ranklim 9273 r1pwALT 9275 isacn 9470 dfac12r 9572 dfac12k 9573 pwsdompw 9626 ackbij1lem8 9649 ackbij1lem14 9655 r1om 9666 fictb 9667 isfin1a 9714 isfin2 9716 isfin3 9718 isfin3ds 9751 isf33lem 9788 domtriomlem 9864 ttukeylem1 9931 elgch 10044 wunpw 10129 wunex2 10160 wuncval2 10169 eltskg 10172 eltsk2g 10173 tskpwss 10174 tskpw 10175 inar1 10197 grupw 10217 grothpw 10248 grothpwex 10249 axgroth6 10250 grothomex 10251 grothac 10252 axdc4uz 13353 hashpw 13798 hashbc 13812 ackbijnn 15183 incexclem 15191 rami 16351 ismre 16861 isacs 16922 isacs2 16924 acsfiel 16925 isacs1i 16928 mreacs 16929 isssc 17090 acsficl 17781 efmnd 18035 pmtrfval 18578 selvffval 20329 istopg 21503 istopon 21520 eltg 21565 tgdom 21586 ntrval 21644 nrmsep3 21963 iscmp 21996 cmpcov 21997 cmpsublem 22007 cmpsub 22008 tgcmp 22009 uncmp 22011 hauscmplem 22014 is1stc 22049 2ndc1stc 22059 llyi 22082 nllyi 22083 cldllycmp 22103 isfbas 22437 isfil 22455 filss 22461 fgval 22478 elfg 22479 isufil 22511 alexsublem 22652 alexsubb 22654 alexsubALTlem1 22655 alexsubALTlem2 22656 alexsubALTlem4 22658 alexsubALT 22659 restmetu 23180 bndth 23562 ovolicc2 24123 uhgreq12g 26850 uhgr0vb 26857 isupgr 26869 isumgr 26880 isuspgr 26937 isusgr 26938 isausgr 26949 lfuhgr1v0e 27036 usgrexmpl 27045 nbuhgr2vtx1edgblem 27133 ex-pw 28208 iscref 31108 indv 31271 sigaval 31370 issiga 31371 isrnsiga 31372 issgon 31382 isldsys 31415 issros 31434 measval 31457 isrnmeas 31459 rankpwg 33630 neibastop1 33707 neibastop2lem 33708 neibastop2 33709 neibastop3 33710 neifg 33719 limsucncmpi 33793 bj-snglex 34288 bj-ismoore 34400 pibp19 34698 pibt2 34701 cover2g 35005 isnacs 39321 mrefg2 39324 aomclem8 39681 islssfg2 39691 lnr2i 39736 pwelg 39939 fsovd 40374 fsovcnvlem 40379 dssmapfvd 40383 clsk1independent 40416 ntrneibex 40443 mnuop123d 40618 stoweidlem50 42355 stoweidlem57 42362 issal 42619 omessle 42800 vsetrec 44825 elpglem3 44835 |
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