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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 3659 | . 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 1398 𝒫 cpw 3656 |
| 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3207 df-ss 3214 df-pw 3658 |
| This theorem is referenced by: pmvalg 6871 issubm 13635 issubg 13840 subgex 13843 issubrng 14294 issubrg 14316 lsssetm 14452 lspfval 14484 lsppropd 14528 sraval 14533 basis1 14858 baspartn 14861 cldval 14910 ntrfval 14911 clsfval 14912 neifval 14951 mopnfss 15258 isuhgrm 16012 isushgrm 16013 isuhgropm 16022 uhgrun 16027 isupgren 16036 upgrop 16045 isumgren 16046 umgr1een 16066 upgrun 16067 umgrun 16069 isuspgren 16098 isusgren 16099 isuspgropen 16105 isusgropen 16106 ausgrusgrben 16109 usgrstrrepeen 16172 issubgr 16198 uhgrspansubgrlem 16217 |
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