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Theorem mappwen 9799
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 769 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐴 ≼ 𝒫 𝐵)
2 pw2eng 8818 . . . . . 6 (𝐵 ∈ dom card → 𝒫 𝐵 ≈ (2om 𝐵))
32ad2antrr 722 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝒫 𝐵 ≈ (2om 𝐵))
4 domentr 8754 . . . . 5 ((𝐴 ≼ 𝒫 𝐵 ∧ 𝒫 𝐵 ≈ (2om 𝐵)) → 𝐴 ≼ (2om 𝐵))
51, 3, 4syl2anc 583 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐴 ≼ (2om 𝐵))
6 mapdom1 8878 . . . 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 8275 . . . . . 6 2o ∈ On
9 simpll 763 . . . . . 6 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝐵 ∈ dom card)
10 mapxpen 8879 . . . . . 6 ((2o ∈ On ∧ 𝐵 ∈ dom card ∧ 𝐵 ∈ dom card) → ((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)))
118, 9, 9, 10mp3an2i 1464 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)))
128elexi 3441 . . . . . . 7 2o ∈ V
1312enref 8728 . . . . . 6 2o ≈ 2o
14 infxpidm2 9704 . . . . . . 7 ((𝐵 ∈ dom card ∧ ω ≼ 𝐵) → (𝐵 × 𝐵) ≈ 𝐵)
1514adantr 480 . . . . . 6 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐵 × 𝐵) ≈ 𝐵)
16 mapen 8877 . . . . . 6 ((2o ≈ 2o ∧ (𝐵 × 𝐵) ≈ 𝐵) → (2om (𝐵 × 𝐵)) ≈ (2om 𝐵))
1713, 15, 16sylancr 586 . . . . 5 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om (𝐵 × 𝐵)) ≈ (2om 𝐵))
18 entr 8747 . . . . 5 ((((2om 𝐵) ↑m 𝐵) ≈ (2om (𝐵 × 𝐵)) ∧ (2om (𝐵 × 𝐵)) ≈ (2om 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵))
1911, 17, 18syl2anc 583 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵))
203ensymd 8746 . . . 4 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om 𝐵) ≈ 𝒫 𝐵)
21 entr 8747 . . . 4 ((((2om 𝐵) ↑m 𝐵) ≈ (2om 𝐵) ∧ (2om 𝐵) ≈ 𝒫 𝐵) → ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵)
2219, 20, 21syl2anc 583 . . 3 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵)
23 domentr 8754 . . 3 (((𝐴m 𝐵) ≼ ((2om 𝐵) ↑m 𝐵) ∧ ((2om 𝐵) ↑m 𝐵) ≈ 𝒫 𝐵) → (𝐴m 𝐵) ≼ 𝒫 𝐵)
247, 22, 23syl2anc 583 . 2 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≼ 𝒫 𝐵)
25 mapdom1 8878 . . . 4 (2o𝐴 → (2om 𝐵) ≼ (𝐴m 𝐵))
2625ad2antrl 724 . . 3 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (2om 𝐵) ≼ (𝐴m 𝐵))
27 endomtr 8753 . . 3 ((𝒫 𝐵 ≈ (2om 𝐵) ∧ (2om 𝐵) ≼ (𝐴m 𝐵)) → 𝒫 𝐵 ≼ (𝐴m 𝐵))
283, 26, 27syl2anc 583 . 2 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → 𝒫 𝐵 ≼ (𝐴m 𝐵))
29 sbth 8833 . 2 (((𝐴m 𝐵) ≼ 𝒫 𝐵 ∧ 𝒫 𝐵 ≼ (𝐴m 𝐵)) → (𝐴m 𝐵) ≈ 𝒫 𝐵)
3024, 28, 29syl2anc 583 1 (((𝐵 ∈ dom card ∧ ω ≼ 𝐵) ∧ (2o𝐴𝐴 ≼ 𝒫 𝐵)) → (𝐴m 𝐵) ≈ 𝒫 𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2108  𝒫 cpw 4530   class class class wbr 5070   × cxp 5578  dom cdm 5580  Oncon0 6251  (class class class)co 7255  ωcom 7687  2oc2o 8261  m cmap 8573  cen 8688  cdom 8689  cardccrd 9624
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-inf2 9329
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-int 4877  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-se 5536  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-isom 6427  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-1st 7804  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-2o 8268  df-er 8456  df-map 8575  df-en 8692  df-dom 8693  df-sdom 8694  df-fin 8695  df-oi 9199  df-card 9628
This theorem is referenced by:  alephexp1  10266  hauspwdom  22560
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