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Theorem mappwen 9868
Description: Power rule for cardinal arithmetic. Theorem 11.21 of [TakeutiZaring] p. 106. (Contributed by Mario Carneiro, 9-Mar-2013.) (Revised by Mario Carneiro, 27-Apr-2015.)
Assertion
Ref Expression
mappwen (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≈ 𝒫 𝐵)

Proof of Theorem mappwen
StepHypRef Expression
1 simprr 770 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐴 ≼ 𝒫 𝐵)
2 pw2eng 8865 . . . . . 6 (𝐵 ∈ dom card → 𝒫 𝐵 ≈ (2om 𝐵))
32ad2antrr 723 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝒫 𝐵 ≈ (2om 𝐵))
4 domentr 8799 . . . . 5 ((𝐴 ≼ 𝒫 𝐵 ∧ 𝒫 𝐵 ≈ (2om 𝐵)) → 𝐴 ≼ (2om 𝐵))
51, 3, 4syl2anc 584 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐴 ≼ (2om 𝐵))
6 mapdom1 8929 . . . 4 (𝐴 ≼ (2om 𝐵) → (𝐴m 𝐵) ≼ ((2om 𝐵) ↑m 𝐵))
75, 6syl 17 . . 3 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≼ ((2om 𝐵) ↑m 𝐵))
8 2on 8311 . . . . . 6 2o ∈ On
9 simpll 764 . . . . . 6 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐵 ∈ dom card)
10 mapxpen 8930 . . . . . 6 ((2o ∈ On ∧ 𝐵 ∈ dom card ∧ 𝐵 ∈ dom card) → ((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)))
118, 9, 9, 10mp3an2i 1465 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)))
128elexi 3451 . . . . . . 7 2o ∈ V
1312enref 8773 . . . . . 6 2o ≈ 2o
14 infxpidm2 9773 . . . . . . 7 ((𝐵 ∈ dom card ∧ ω ≼ 𝐵) → (𝐵 × 𝐵) ≈ 𝐵)
1514adantr 481 . . . . . 6 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐵 × 𝐵) ≈ 𝐵)
16 mapen 8928 . . . . . 6 ((2o ≈ 2o ∧ (𝐵 × 𝐵) ≈ 𝐵) → (2om (𝐵 × 𝐵)) ≈ (2om 𝐵))
1713, 15, 16sylancr 587 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om (𝐵 × 𝐵)) ≈ (2om 𝐵))
18 entr 8792 . . . . 5 ((((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)) ∧ (2om (𝐵 × 𝐵)) ≈ (2om 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵))
1911, 17, 18syl2anc 584 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵))
203ensymd 8791 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om 𝐵) ≈ 𝒫 𝐵)
21 entr 8792 . . . 4 ((((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵) ∧ (2om 𝐵) ≈ 𝒫 𝐵) → ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵)
2219, 20, 21syl2anc 584 . . 3 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵)
23 domentr 8799 . . 3 (((𝐴m 𝐵) ≼ ((2om 𝐵) ↑m 𝐵) ∧ ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵) → (𝐴m 𝐵) ≼ 𝒫 𝐵)
247, 22, 23syl2anc 584 . 2 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≼ 𝒫 𝐵)
25 mapdom1 8929 . . . 4 (2o𝐴 → (2om 𝐵) ≼ (𝐴m 𝐵))
2625ad2antrl 725 . . 3 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om 𝐵) ≼ (𝐴m 𝐵))
27 endomtr 8798 . . 3 ((𝒫 𝐵 ≈ (2om 𝐵) ∧ (2om 𝐵) ≼ (𝐴m 𝐵)) → 𝒫 𝐵 ≼ (𝐴m 𝐵))
283, 26, 27syl2anc 584 . 2 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝒫 𝐵 ≼ (𝐴m 𝐵))
29 sbth 8880 . 2 (((𝐴m 𝐵) ≼ 𝒫 𝐵 ∧ 𝒫 𝐵 ≼ (𝐴m 𝐵)) → (𝐴m 𝐵) ≈ 𝒫 𝐵)
3024, 28, 29syl2anc 584 1 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≈ 𝒫 𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  wcel 2106  𝒫 cpw 4533   class class class wbr 5074   × cxp 5587  dom cdm 5589  Oncon0 6266  (class class class)co 7275  ωcom 7712  2oc2o 8291  m cmap 8615  cen 8730  cdom 8731  cardccrd 9693
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588  ax-inf2 9399
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-rmo 3071  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-int 4880  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-eprel 5495  df-po 5503  df-so 5504  df-fr 5544  df-se 5545  df-we 5546  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-pred 6202  df-ord 6269  df-on 6270  df-lim 6271  df-suc 6272  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-isom 6442  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-om 7713  df-1st 7831  df-2nd 7832  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-1o 8297  df-2o 8298  df-er 8498  df-map 8617  df-en 8734  df-dom 8735  df-sdom 8736  df-fin 8737  df-oi 9269  df-card 9697
This theorem is referenced by:  alephexp1  10335  hauspwdom  22652
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