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Theorem enmappwid 44706
Description: The set of all mappings from the powerset to the powerset is equinumerous to the set of all mappings from the set to the powerset of the powerset. (Contributed by RP, 27-Apr-2021.)
Assertion
Ref Expression
enmappwid (𝐴𝑉 → (𝒫 𝐴m 𝒫 𝐴) ≈ (𝒫 𝒫 𝐴m 𝐴))

Proof of Theorem enmappwid
StepHypRef Expression
1 pwexg 5351 . 2 (𝐴𝑉 → 𝒫 𝐴 ∈ V)
2 enmappw 44705 . 2 ((𝒫 𝐴 ∈ V ∧ 𝐴𝑉) → (𝒫 𝐴m 𝒫 𝐴) ≈ (𝒫 𝒫 𝐴m 𝐴))
31, 2mpancom 700 1 (𝐴𝑉 → (𝒫 𝐴m 𝒫 𝐴) ≈ (𝒫 𝒫 𝐴m 𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2143  Vcvv 3455  𝒫 cpw 4563   class class class wbr 5110  (class class class)co 7412  m cmap 8825  cen 8941
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5258  ax-nul 5270  ax-pow 5338  ax-pr 5406  ax-un 7734
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-sbc 3746  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-pss 3926  df-nul 4288  df-if 4489  df-pw 4565  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-iun 4959  df-br 5111  df-opab 5175  df-mpt 5194  df-tr 5220  df-id 5558  df-eprel 5563  df-po 5571  df-so 5572  df-fr 5616  df-we 5618  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-ov 7415  df-oprab 7416  df-mpo 7417  df-om 7864  df-1st 7987  df-2nd 7988  df-1o 8454  df-2o 8455  df-er 8695  df-map 8827  df-en 8945
This theorem is referenced by: (None)
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