| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3980 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 2 | 1 | sspwd 4554 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| 3 | eqimss2 3981 | . . 3 ⊢ (𝐴 = 𝐵 → 𝐵 ⊆ 𝐴) | |
| 4 | 3 | sspwd 4554 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐵 ⊆ 𝒫 𝐴) |
| 5 | 2, 4 | eqssd 3939 | 1 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 𝒫 cpw 4541 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3431 df-ss 3906 df-pw 4543 |
| This theorem is referenced by: pweqi 4557 pweqd 4558 axpweq 5292 pwexg 5320 pwssun 5523 knatar 7312 pwdom 9067 canth2g 9069 pwfi 9229 fival 9325 marypha1lem 9346 marypha1 9347 wdompwdom 9493 canthwdom 9494 r1sucg 9693 ranklim 9768 r1pwALT 9770 isacn 9966 dfac12r 10069 dfac12k 10070 pwsdompw 10125 ackbij1lem8 10148 ackbij1lem14 10154 r1om 10165 fictb 10166 isfin1a 10214 isfin2 10216 isfin3 10218 isfin3ds 10251 isf33lem 10288 domtriomlem 10364 ttukeylem1 10431 elgch 10545 wunpw 10630 wunex2 10661 wuncval2 10670 eltskg 10673 eltsk2g 10674 tskpwss 10675 tskpw 10676 inar1 10698 grupw 10718 grothpw 10749 grothpwex 10750 axgroth6 10751 grothomex 10752 grothac 10753 indv 12161 axdc4uz 13946 hashpw 14398 hashbc 14415 ackbijnn 15793 incexclem 15801 rami 16986 ismre 17552 isacs 17617 isacs2 17619 acsfiel 17620 isacs1i 17623 mreacs 17624 isssc 17787 acsficl 18513 efmnd 18838 pmtrfval 19425 selvffval 22099 istopg 22860 istopon 22877 eltg 22922 tgdom 22943 ntrval 23001 nrmsep3 23320 iscmp 23353 cmpcov 23354 cmpsublem 23364 cmpsub 23365 tgcmp 23366 uncmp 23368 hauscmplem 23371 is1stc 23406 2ndc1stc 23416 llyi 23439 nllyi 23440 cldllycmp 23460 isfbas 23794 isfil 23812 filss 23818 fgval 23835 elfg 23836 isufil 23868 alexsublem 24009 alexsubb 24011 alexsubALTlem1 24012 alexsubALTlem2 24013 alexsubALTlem4 24015 alexsubALT 24016 restmetu 24535 bndth 24925 ovolicc2 25489 uhgreq12g 29134 uhgr0vb 29141 isupgr 29153 isumgr 29164 isuspgr 29221 isusgr 29222 isausgr 29233 lfuhgr1v0e 29323 nbuhgr2vtx1edgblem 29420 ex-pw 30499 esplyval 33706 iscref 33988 sigaval 34255 issiga 34256 isrnsiga 34257 issgon 34267 isldsys 34300 issros 34319 measval 34342 isrnmeas 34344 rankpwg 36351 neibastop1 36541 neibastop2lem 36542 neibastop2 36543 neibastop3 36544 neifg 36553 limsucncmpi 36627 bj-snglex 37280 bj-ismoore 37417 pibp19 37730 pibt2 37733 cover2g 38037 isnacs 43136 mrefg2 43139 aomclem8 43489 islssfg2 43499 lnr2i 43544 pwelg 43987 fsovd 44435 fsovcnvlem 44440 dssmapfvd 44444 clsk1independent 44473 ntrneibex 44500 mnuop123d 44689 stoweidlem50 46478 stoweidlem57 46485 issal 46742 omessle 46926 grtri 48416 vsetrec 50178 elpglem3 50188 pgindnf 50191 |
| Copyright terms: Public domain | W3C validator |