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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 6828 issubm 13573 issubg 13778 subgex 13781 issubrng 14232 issubrg 14254 lsssetm 14389 lspfval 14421 lsppropd 14465 sraval 14470 basis1 14790 baspartn 14793 cldval 14842 ntrfval 14843 clsfval 14844 neifval 14883 mopnfss 15190 isuhgrm 15941 isushgrm 15942 isuhgropm 15951 uhgrun 15956 isupgren 15965 upgrop 15974 isumgren 15975 umgr1een 15995 upgrun 15996 umgrun 15998 isuspgren 16027 isusgren 16028 isuspgropen 16034 isusgropen 16035 ausgrusgrben 16038 usgrstrrepeen 16101 issubgr 16127 uhgrspansubgrlem 16146 |
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