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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 13828 issubg 14025 subgex 14028 issubrng 14556 issubrg 14578 lsssetm 14742 lspfval 14774 lsppropd 14818 sraval 14823 aspval 15064 basis1 15197 baspartn 15200 cldval 15249 ntrfval 15250 clsfval 15251 neifval 15290 mopnfss 15597 isuhgrm 16410 isushgrm 16411 isuhgropm 16420 uhgrun 16425 isupgren 16434 upgrop 16443 isumgren 16444 umgr1een 16464 upgrun 16465 umgrun 16467 isuspgren 16496 isusgren 16497 isuspgropen 16503 isusgropen 16504 ausgrusgrben 16507 usgrstrrepeen 16570 issubgr 16596 uhgrspansubgrlem 16615 |
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