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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 3671 | . 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 3668 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-in 3216 df-ss 3223 df-pw 3670 |
| This theorem is referenced by: pmvalg 6892 issubm 13677 issubg 13882 subgex 13885 issubrng 14336 issubrg 14358 lsssetm 14496 lspfval 14528 lsppropd 14572 sraval 14577 basis1 14904 baspartn 14907 cldval 14956 ntrfval 14957 clsfval 14958 neifval 14997 mopnfss 15304 isuhgrm 16058 isushgrm 16059 isuhgropm 16068 uhgrun 16073 isupgren 16082 upgrop 16091 isumgren 16092 umgr1een 16112 upgrun 16113 umgrun 16115 isuspgren 16144 isusgren 16145 isuspgropen 16151 isusgropen 16152 ausgrusgrben 16155 usgrstrrepeen 16218 issubgr 16244 uhgrspansubgrlem 16263 |
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