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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 3971 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
2 | 1 | sspwd 4512 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
3 | eqimss2 3972 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
4 | 3 | sspwd 4512 | . 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 1538 𝒫 cpw 4497 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-in 3888 df-ss 3898 df-pw 4499 |
This theorem is referenced by: pweqi 4515 pweqd 4516 axpweq 5230 pwexg 5244 pwssun 5421 knatar 7089 pwdom 8653 canth2g 8655 pwfi 8803 fival 8860 marypha1lem 8881 marypha1 8882 wdompwdom 9026 canthwdom 9027 r1sucg 9182 ranklim 9257 r1pwALT 9259 isacn 9455 dfac12r 9557 dfac12k 9558 pwsdompw 9615 ackbij1lem8 9638 ackbij1lem14 9644 r1om 9655 fictb 9656 isfin1a 9703 isfin2 9705 isfin3 9707 isfin3ds 9740 isf33lem 9777 domtriomlem 9853 ttukeylem1 9920 elgch 10033 wunpw 10118 wunex2 10149 wuncval2 10158 eltskg 10161 eltsk2g 10162 tskpwss 10163 tskpw 10164 inar1 10186 grupw 10206 grothpw 10237 grothpwex 10238 axgroth6 10239 grothomex 10240 grothac 10241 axdc4uz 13347 hashpw 13793 hashbc 13807 ackbijnn 15175 incexclem 15183 rami 16341 ismre 16853 isacs 16914 isacs2 16916 acsfiel 16917 isacs1i 16920 mreacs 16921 isssc 17082 acsficl 17773 efmnd 18027 pmtrfval 18570 selvffval 20788 istopg 21500 istopon 21517 eltg 21562 tgdom 21583 ntrval 21641 nrmsep3 21960 iscmp 21993 cmpcov 21994 cmpsublem 22004 cmpsub 22005 tgcmp 22006 uncmp 22008 hauscmplem 22011 is1stc 22046 2ndc1stc 22056 llyi 22079 nllyi 22080 cldllycmp 22100 isfbas 22434 isfil 22452 filss 22458 fgval 22475 elfg 22476 isufil 22508 alexsublem 22649 alexsubb 22651 alexsubALTlem1 22652 alexsubALTlem2 22653 alexsubALTlem4 22655 alexsubALT 22656 restmetu 23177 bndth 23563 ovolicc2 24126 uhgreq12g 26858 uhgr0vb 26865 isupgr 26877 isumgr 26888 isuspgr 26945 isusgr 26946 isausgr 26957 lfuhgr1v0e 27044 usgrexmpl 27053 nbuhgr2vtx1edgblem 27141 ex-pw 28214 iscref 31197 indv 31381 sigaval 31480 issiga 31481 isrnsiga 31482 issgon 31492 isldsys 31525 issros 31544 measval 31567 isrnmeas 31569 rankpwg 33743 neibastop1 33820 neibastop2lem 33821 neibastop2 33822 neibastop3 33823 neifg 33832 limsucncmpi 33906 bj-snglex 34409 bj-ismoore 34520 pibp19 34831 pibt2 34834 cover2g 35153 isnacs 39645 mrefg2 39648 aomclem8 40005 islssfg2 40015 lnr2i 40060 pwelg 40259 fsovd 40709 fsovcnvlem 40714 dssmapfvd 40718 clsk1independent 40749 ntrneibex 40776 mnuop123d 40970 stoweidlem50 42692 stoweidlem57 42699 issal 42956 omessle 43137 vsetrec 45232 elpglem3 45242 |
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