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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 3688 | . 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 1402 𝒫 cpw 3685 |
| 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 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-pw 3687 |
| This theorem is referenced by: pmvalg 6923 issubm 13756 issubg 13953 subgex 13956 issubrng 14480 issubrg 14502 lsssetm 14665 lspfval 14697 lsppropd 14741 sraval 14746 basis1 15071 baspartn 15074 cldval 15123 ntrfval 15124 clsfval 15125 neifval 15164 mopnfss 15471 isuhgrm 16226 isushgrm 16227 isuhgropm 16236 uhgrun 16241 isupgren 16250 upgrop 16259 isumgren 16260 umgr1een 16280 upgrun 16281 umgrun 16283 isuspgren 16312 isusgren 16313 isuspgropen 16319 isusgropen 16320 ausgrusgrben 16323 usgrstrrepeen 16386 issubgr 16412 uhgrspansubgrlem 16431 |
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