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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 3691 | . 2 ⊢ (𝐴 = 𝐵 → 𝒫 𝐴 = 𝒫 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝒫 𝐴 = 𝒫 𝐵) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 𝒫 cpw 3688 |
| This proof depends on 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 proof 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 3690 |
| This theorem is used by: pmvalg 6933 issubm 13779 issubg 13976 subgex 13979 issubrng 14507 issubrg 14529 lsssetm 14693 lspfval 14725 lsppropd 14769 sraval 14774 aspval 15015 basis1 15148 baspartn 15151 cldval 15200 ntrfval 15201 clsfval 15202 neifval 15241 mopnfss 15548 isuhgrm 16312 isushgrm 16313 isuhgropm 16322 uhgrun 16327 isupgren 16336 upgrop 16345 isumgren 16346 umgr1een 16366 upgrun 16367 umgrun 16369 isuspgren 16398 isusgren 16399 isuspgropen 16405 isusgropen 16406 ausgrusgrben 16409 usgrstrrepeen 16472 issubgr 16498 uhgrspansubgrlem 16517 |
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