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Theorem infxpenc2lem2 9178
 Description: Lemma for infxpenc2 9180. (Contributed by Mario Carneiro, 30-May-2015.) (Revised by AV, 7-Jul-2019.)
Hypotheses
Ref Expression
infxpenc2.1 (𝜑𝐴 ∈ On)
infxpenc2.2 (𝜑 → ∀𝑏𝐴 (ω ⊆ 𝑏 → ∃𝑤 ∈ (On ∖ 1o)(𝑛𝑏):𝑏1-1-onto→(ω ↑o 𝑤)))
infxpenc2.3 𝑊 = ((𝑥 ∈ (On ∖ 1o) ↦ (ω ↑o 𝑥))‘ran (𝑛𝑏))
infxpenc2.4 (𝜑𝐹:(ω ↑o 2o)–1-1-onto→ω)
infxpenc2.5 (𝜑 → (𝐹‘∅) = ∅)
infxpenc2.k 𝐾 = (𝑦 ∈ {𝑥 ∈ ((ω ↑o 2o) ↑𝑚 𝑊) ∣ 𝑥 finSupp ∅} ↦ (𝐹 ∘ (𝑦( I ↾ 𝑊))))
infxpenc2.h 𝐻 = (((ω CNF 𝑊) ∘ 𝐾) ∘ ((ω ↑o 2o) CNF 𝑊))
infxpenc2.l 𝐿 = (𝑦 ∈ {𝑥 ∈ (ω ↑𝑚 (𝑊 ·o 2o)) ∣ 𝑥 finSupp ∅} ↦ (( I ↾ ω) ∘ (𝑦(𝑌𝑋))))
infxpenc2.x 𝑋 = (𝑧 ∈ 2o, 𝑤𝑊 ↦ ((𝑊 ·o 𝑧) +o 𝑤))
infxpenc2.y 𝑌 = (𝑧 ∈ 2o, 𝑤𝑊 ↦ ((2o ·o 𝑤) +o 𝑧))
infxpenc2.j 𝐽 = (((ω CNF (2o ·o 𝑊)) ∘ 𝐿) ∘ (ω CNF (𝑊 ·o 2o)))
infxpenc2.z 𝑍 = (𝑥 ∈ (ω ↑o 𝑊), 𝑦 ∈ (ω ↑o 𝑊) ↦ (((ω ↑o 𝑊) ·o 𝑥) +o 𝑦))
infxpenc2.t 𝑇 = (𝑥𝑏, 𝑦𝑏 ↦ ⟨((𝑛𝑏)‘𝑥), ((𝑛𝑏)‘𝑦)⟩)
infxpenc2.g 𝐺 = ((𝑛𝑏) ∘ (((𝐻𝐽) ∘ 𝑍) ∘ 𝑇))
Assertion
Ref Expression
infxpenc2lem2 (𝜑 → ∃𝑔𝑏𝐴 (ω ⊆ 𝑏 → (𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
Distinct variable groups:   𝑔,𝑏,𝑛,𝑤,𝑥,𝑦,𝐴   𝜑,𝑏,𝑤,𝑥,𝑦   𝑧,𝑔,𝑊,𝑤,𝑥,𝑦   𝑔,𝐹,𝑥,𝑦   𝑔,𝐺   𝑥,𝑋,𝑦   𝑥,𝑌,𝑦
Allowed substitution hints:   𝜑(𝑧,𝑔,𝑛)   𝐴(𝑧)   𝑇(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)   𝐹(𝑧,𝑤,𝑛,𝑏)   𝐺(𝑥,𝑦,𝑧,𝑤,𝑛,𝑏)   𝐻(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)   𝐽(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)   𝐾(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)   𝐿(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)   𝑊(𝑛,𝑏)   𝑋(𝑧,𝑤,𝑔,𝑛,𝑏)   𝑌(𝑧,𝑤,𝑔,𝑛,𝑏)   𝑍(𝑥,𝑦,𝑧,𝑤,𝑔,𝑛,𝑏)

Proof of Theorem infxpenc2lem2
StepHypRef Expression
1 infxpenc2.1 . . 3 (𝜑𝐴 ∈ On)
21mptexd 6761 . 2 (𝜑 → (𝑏𝐴𝐺) ∈ V)
31adantr 474 . . . . . . 7 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝐴 ∈ On)
4 simprl 761 . . . . . . 7 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝑏𝐴)
5 onelon 6003 . . . . . . 7 ((𝐴 ∈ On ∧ 𝑏𝐴) → 𝑏 ∈ On)
63, 4, 5syl2anc 579 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝑏 ∈ On)
7 simprr 763 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → ω ⊆ 𝑏)
8 infxpenc2.2 . . . . . . . 8 (𝜑 → ∀𝑏𝐴 (ω ⊆ 𝑏 → ∃𝑤 ∈ (On ∖ 1o)(𝑛𝑏):𝑏1-1-onto→(ω ↑o 𝑤)))
9 infxpenc2.3 . . . . . . . 8 𝑊 = ((𝑥 ∈ (On ∖ 1o) ↦ (ω ↑o 𝑥))‘ran (𝑛𝑏))
101, 8, 9infxpenc2lem1 9177 . . . . . . 7 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → (𝑊 ∈ (On ∖ 1o) ∧ (𝑛𝑏):𝑏1-1-onto→(ω ↑o 𝑊)))
1110simpld 490 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝑊 ∈ (On ∖ 1o))
12 infxpenc2.4 . . . . . . 7 (𝜑𝐹:(ω ↑o 2o)–1-1-onto→ω)
1312adantr 474 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝐹:(ω ↑o 2o)–1-1-onto→ω)
14 infxpenc2.5 . . . . . . 7 (𝜑 → (𝐹‘∅) = ∅)
1514adantr 474 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → (𝐹‘∅) = ∅)
1610simprd 491 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → (𝑛𝑏):𝑏1-1-onto→(ω ↑o 𝑊))
17 infxpenc2.k . . . . . 6 𝐾 = (𝑦 ∈ {𝑥 ∈ ((ω ↑o 2o) ↑𝑚 𝑊) ∣ 𝑥 finSupp ∅} ↦ (𝐹 ∘ (𝑦( I ↾ 𝑊))))
18 infxpenc2.h . . . . . 6 𝐻 = (((ω CNF 𝑊) ∘ 𝐾) ∘ ((ω ↑o 2o) CNF 𝑊))
19 infxpenc2.l . . . . . 6 𝐿 = (𝑦 ∈ {𝑥 ∈ (ω ↑𝑚 (𝑊 ·o 2o)) ∣ 𝑥 finSupp ∅} ↦ (( I ↾ ω) ∘ (𝑦(𝑌𝑋))))
20 infxpenc2.x . . . . . 6 𝑋 = (𝑧 ∈ 2o, 𝑤𝑊 ↦ ((𝑊 ·o 𝑧) +o 𝑤))
21 infxpenc2.y . . . . . 6 𝑌 = (𝑧 ∈ 2o, 𝑤𝑊 ↦ ((2o ·o 𝑤) +o 𝑧))
22 infxpenc2.j . . . . . 6 𝐽 = (((ω CNF (2o ·o 𝑊)) ∘ 𝐿) ∘ (ω CNF (𝑊 ·o 2o)))
23 infxpenc2.z . . . . . 6 𝑍 = (𝑥 ∈ (ω ↑o 𝑊), 𝑦 ∈ (ω ↑o 𝑊) ↦ (((ω ↑o 𝑊) ·o 𝑥) +o 𝑦))
24 infxpenc2.t . . . . . 6 𝑇 = (𝑥𝑏, 𝑦𝑏 ↦ ⟨((𝑛𝑏)‘𝑥), ((𝑛𝑏)‘𝑦)⟩)
25 infxpenc2.g . . . . . 6 𝐺 = ((𝑛𝑏) ∘ (((𝐻𝐽) ∘ 𝑍) ∘ 𝑇))
266, 7, 11, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25infxpenc 9176 . . . . 5 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)–1-1-onto𝑏)
27 f1of 6393 . . . . . . . . 9 (𝐺:(𝑏 × 𝑏)–1-1-onto𝑏𝐺:(𝑏 × 𝑏)⟶𝑏)
2826, 27syl 17 . . . . . . . 8 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)⟶𝑏)
29 vex 3401 . . . . . . . . 9 𝑏 ∈ V
3029, 29xpex 7242 . . . . . . . 8 (𝑏 × 𝑏) ∈ V
31 fex 6763 . . . . . . . 8 ((𝐺:(𝑏 × 𝑏)⟶𝑏 ∧ (𝑏 × 𝑏) ∈ V) → 𝐺 ∈ V)
3228, 30, 31sylancl 580 . . . . . . 7 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → 𝐺 ∈ V)
33 eqid 2778 . . . . . . . 8 (𝑏𝐴𝐺) = (𝑏𝐴𝐺)
3433fvmpt2 6554 . . . . . . 7 ((𝑏𝐴𝐺 ∈ V) → ((𝑏𝐴𝐺)‘𝑏) = 𝐺)
354, 32, 34syl2anc 579 . . . . . 6 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏𝐴𝐺)‘𝑏) = 𝐺)
36 f1oeq1 6382 . . . . . 6 (((𝑏𝐴𝐺)‘𝑏) = 𝐺 → (((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏𝐺:(𝑏 × 𝑏)–1-1-onto𝑏))
3735, 36syl 17 . . . . 5 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → (((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏𝐺:(𝑏 × 𝑏)–1-1-onto𝑏))
3826, 37mpbird 249 . . . 4 ((𝜑 ∧ (𝑏𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏)
3938expr 450 . . 3 ((𝜑𝑏𝐴) → (ω ⊆ 𝑏 → ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
4039ralrimiva 3148 . 2 (𝜑 → ∀𝑏𝐴 (ω ⊆ 𝑏 → ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
41 nfmpt1 4984 . . . 4 𝑏(𝑏𝐴𝐺)
4241nfeq2 2949 . . 3 𝑏 𝑔 = (𝑏𝐴𝐺)
43 fveq1 6447 . . . . 5 (𝑔 = (𝑏𝐴𝐺) → (𝑔𝑏) = ((𝑏𝐴𝐺)‘𝑏))
44 f1oeq1 6382 . . . . 5 ((𝑔𝑏) = ((𝑏𝐴𝐺)‘𝑏) → ((𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏 ↔ ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
4543, 44syl 17 . . . 4 (𝑔 = (𝑏𝐴𝐺) → ((𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏 ↔ ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
4645imbi2d 332 . . 3 (𝑔 = (𝑏𝐴𝐺) → ((ω ⊆ 𝑏 → (𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏) ↔ (ω ⊆ 𝑏 → ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏)))
4742, 46ralbid 3165 . 2 (𝑔 = (𝑏𝐴𝐺) → (∀𝑏𝐴 (ω ⊆ 𝑏 → (𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏) ↔ ∀𝑏𝐴 (ω ⊆ 𝑏 → ((𝑏𝐴𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto𝑏)))
482, 40, 47elabd 3560 1 (𝜑 → ∃𝑔𝑏𝐴 (ω ⊆ 𝑏 → (𝑔𝑏):(𝑏 × 𝑏)–1-1-onto𝑏))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 198   ∧ wa 386   = wceq 1601  ∃wex 1823   ∈ wcel 2107  ∀wral 3090  ∃wrex 3091  {crab 3094  Vcvv 3398   ∖ cdif 3789   ⊆ wss 3792  ∅c0 4141  ⟨cop 4404   class class class wbr 4888   ↦ cmpt 4967   I cid 5262   × cxp 5355  ◡ccnv 5356  ran crn 5358   ↾ cres 5359   ∘ ccom 5361  Oncon0 5978  ⟶wf 6133  –1-1-onto→wf1o 6136  ‘cfv 6137  (class class class)co 6924   ↦ cmpt2 6926  ωcom 7345  1oc1o 7838  2oc2o 7839   +o coa 7842   ·o comu 7843   ↑o coe 7844   ↑𝑚 cmap 8142   finSupp cfsupp 8565   CNF ccnf 8857 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1839  ax-4 1853  ax-5 1953  ax-6 2021  ax-7 2055  ax-8 2109  ax-9 2116  ax-10 2135  ax-11 2150  ax-12 2163  ax-13 2334  ax-ext 2754  ax-rep 5008  ax-sep 5019  ax-nul 5027  ax-pow 5079  ax-pr 5140  ax-un 7228  ax-inf2 8837 This theorem depends on definitions:  df-bi 199  df-an 387  df-or 837  df-3or 1072  df-3an 1073  df-tru 1605  df-fal 1615  df-ex 1824  df-nf 1828  df-sb 2012  df-mo 2551  df-eu 2587  df-clab 2764  df-cleq 2770  df-clel 2774  df-nfc 2921  df-ne 2970  df-ral 3095  df-rex 3096  df-reu 3097  df-rmo 3098  df-rab 3099  df-v 3400  df-sbc 3653  df-csb 3752  df-dif 3795  df-un 3797  df-in 3799  df-ss 3806  df-pss 3808  df-nul 4142  df-if 4308  df-pw 4381  df-sn 4399  df-pr 4401  df-tp 4403  df-op 4405  df-uni 4674  df-int 4713  df-iun 4757  df-br 4889  df-opab 4951  df-mpt 4968  df-tr 4990  df-id 5263  df-eprel 5268  df-po 5276  df-so 5277  df-fr 5316  df-se 5317  df-we 5318  df-xp 5363  df-rel 5364  df-cnv 5365  df-co 5366  df-dm 5367  df-rn 5368  df-res 5369  df-ima 5370  df-pred 5935  df-ord 5981  df-on 5982  df-lim 5983  df-suc 5984  df-iota 6101  df-fun 6139  df-fn 6140  df-f 6141  df-f1 6142  df-fo 6143  df-f1o 6144  df-fv 6145  df-isom 6146  df-riota 6885  df-ov 6927  df-oprab 6928  df-mpt2 6929  df-om 7346  df-1st 7447  df-2nd 7448  df-supp 7579  df-wrecs 7691  df-recs 7753  df-rdg 7791  df-seqom 7828  df-1o 7845  df-2o 7846  df-oadd 7849  df-omul 7850  df-oexp 7851  df-er 8028  df-map 8144  df-en 8244  df-dom 8245  df-sdom 8246  df-fin 8247  df-fsupp 8566  df-oi 8706  df-cnf 8858 This theorem is referenced by:  infxpenc2lem3  9179
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