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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 3672 | . 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 3669 |
| 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 3217 df-ss 3224 df-pw 3671 |
| This theorem is referenced by: pmvalg 6893 issubm 13685 issubg 13890 subgex 13893 issubrng 14344 issubrg 14366 lsssetm 14504 lspfval 14536 lsppropd 14580 sraval 14585 basis1 14912 baspartn 14915 cldval 14964 ntrfval 14965 clsfval 14966 neifval 15005 mopnfss 15312 isuhgrm 16066 isushgrm 16067 isuhgropm 16076 uhgrun 16081 isupgren 16090 upgrop 16099 isumgren 16100 umgr1een 16120 upgrun 16121 umgrun 16123 isuspgren 16152 isusgren 16153 isuspgropen 16159 isusgropen 16160 ausgrusgrben 16163 usgrstrrepeen 16226 issubgr 16252 uhgrspansubgrlem 16271 |
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