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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 13832 issubg 14029 subgex 14032 cntzex 14144 cntzfval 14146 issubrng 14591 issubrg 14613 lsssetm 14777 lspfval 14809 lsppropd 14853 sraval 14858 aspval 15099 basis1 15239 baspartn 15242 cldval 15291 ntrfval 15292 clsfval 15293 neifval 15332 mopnfss 15639 isuhgrm 16478 isushgrm 16479 isuhgropm 16488 uhgrun 16493 isupgren 16502 upgrop 16511 isumgren 16512 umgr1een 16532 upgrun 16533 umgrun 16535 isuspgren 16564 isusgren 16565 isuspgropen 16571 isusgropen 16572 ausgrusgrben 16575 usgrstrrepeen 16638 issubgr 16664 uhgrspansubgrlem 16683 |
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