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| Mirrors > Home > ILE Home > Th. List > pweqd | GIF version | ||
| Description: Equality deduction for power class. (Contributed by NM, 27-Nov-2013.) |
| Ref | Expression |
|---|---|
| pweqd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| pweqd | ⊢ (𝜑 → 𝒫 𝐴 = 𝒫 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pweqd.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | pweq 3655 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 𝒫 cpw 3652 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 df-pw 3654 |
| This theorem is referenced by: pmvalg 6827 issubm 13554 issubg 13759 subgex 13762 issubrng 14212 issubrg 14234 lsssetm 14369 lspfval 14401 lsppropd 14445 sraval 14450 basis1 14770 baspartn 14773 cldval 14822 ntrfval 14823 clsfval 14824 neifval 14863 mopnfss 15170 isuhgrm 15921 isushgrm 15922 isuhgropm 15931 uhgrun 15936 isupgren 15945 upgrop 15954 isumgren 15955 umgr1een 15975 upgrun 15976 umgrun 15978 isuspgren 16007 isusgren 16008 isuspgropen 16014 isusgropen 16015 ausgrusgrben 16018 usgrstrrepeen 16081 issubgr 16107 uhgrspansubgrlem 16126 |
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