Theorem infxpenc2lem2 9776

Description: Lemma for infxpenc2 9778. (Contributed by Mario Carneiro, 30-May-2015.) (Revised by AV, 7-Jul-2019.)

Hypotheses

Ref	Expression
infxpenc2.1	⊢ (𝜑 → 𝐴 ∈ On)
infxpenc2.2	⊢ (𝜑 → ∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → ∃𝑤 ∈ (On ∖ 1o)(𝑛‘𝑏):𝑏–1-1-onto→(ω ↑o 𝑤)))
infxpenc2.3	⊢ 𝑊 = (◡(𝑥 ∈ (On ∖ 1o) ↦ (ω ↑o 𝑥))‘ran (𝑛‘𝑏))
infxpenc2.4	⊢ (𝜑 → 𝐹:(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 ∘ ◡(𝑌 ∘ ◡𝑋))))
infxpenc2.x	⊢ 𝑋 = (𝑧 ∈ 2o, 𝑤 ∈ 𝑊 ↦ ((𝑊 ·o 𝑧) +o 𝑤))
infxpenc2.y	⊢ 𝑌 = (𝑧 ∈ 2o, 𝑤 ∈ 𝑊 ↦ ((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 = (𝑥 ∈ 𝑏, 𝑦 ∈ 𝑏 ↦ ⟨((𝑛‘𝑏)‘𝑥), ((𝑛‘𝑏)‘𝑦)⟩)
infxpenc2.g	⊢ 𝐺 = (◡(𝑛‘𝑏) ∘ (((𝐻 ∘ 𝐽) ∘ 𝑍) ∘ 𝑇))

Assertion

Ref	Expression
infxpenc2lem2	⊢ (𝜑 → ∃𝑔∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → (𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))

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

Step	Hyp	Ref	Expression
1		infxpenc2.1	. . 3 ⊢ (𝜑 → 𝐴 ∈ On)
2	1	mptexd 7100	. 2 ⊢ (𝜑 → (𝑏 ∈ 𝐴 ↦ 𝐺) ∈ V)
3	1	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐴 ∈ On)
4		simprl 768	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝑏 ∈ 𝐴)
5		onelon 6291	. . . . . . 7 ⊢ ((𝐴 ∈ On ∧ 𝑏 ∈ 𝐴) → 𝑏 ∈ On)
6	3, 4, 5	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝑏 ∈ On)
7		simprr 770	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → ω ⊆ 𝑏)
8		infxpenc2.2	. . . . . . . 8 ⊢ (𝜑 → ∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → ∃𝑤 ∈ (On ∖ 1o)(𝑛‘𝑏):𝑏–1-1-onto→(ω ↑o 𝑤)))
9		infxpenc2.3	. . . . . . . 8 ⊢ 𝑊 = (◡(𝑥 ∈ (On ∖ 1o) ↦ (ω ↑o 𝑥))‘ran (𝑛‘𝑏))
10	1, 8, 9	infxpenc2lem1 9775	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (𝑊 ∈ (On ∖ 1o) ∧ (𝑛‘𝑏):𝑏–1-1-onto→(ω ↑o 𝑊)))
11	10	simpld 495	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝑊 ∈ (On ∖ 1o))
12		infxpenc2.4	. . . . . . 7 ⊢ (𝜑 → 𝐹:(ω ↑o 2o)–1-1-onto→ω)
13	12	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐹:(ω ↑o 2o)–1-1-onto→ω)
14		infxpenc2.5	. . . . . . 7 ⊢ (𝜑 → (𝐹‘∅) = ∅)
15	14	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (𝐹‘∅) = ∅)
16	10	simprd 496	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (𝑛‘𝑏):𝑏–1-1-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 ∘ ◡(𝑌 ∘ ◡𝑋))))
20		infxpenc2.x	. . . . . 6 ⊢ 𝑋 = (𝑧 ∈ 2o, 𝑤 ∈ 𝑊 ↦ ((𝑊 ·o 𝑧) +o 𝑤))
21		infxpenc2.y	. . . . . 6 ⊢ 𝑌 = (𝑧 ∈ 2o, 𝑤 ∈ 𝑊 ↦ ((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 = (𝑥 ∈ 𝑏, 𝑦 ∈ 𝑏 ↦ ⟨((𝑛‘𝑏)‘𝑥), ((𝑛‘𝑏)‘𝑦)⟩)
25		infxpenc2.g	. . . . . 6 ⊢ 𝐺 = (◡(𝑛‘𝑏) ∘ (((𝐻 ∘ 𝐽) ∘ 𝑍) ∘ 𝑇))
26	6, 7, 11, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25	infxpenc 9774	. . . . 5 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)–1-1-onto→𝑏)
27		f1of 6716	. . . . . . . . 9 ⊢ (𝐺:(𝑏 × 𝑏)–1-1-onto→𝑏 → 𝐺:(𝑏 × 𝑏)⟶𝑏)
28	26, 27	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)⟶𝑏)
29		vex 3436	. . . . . . . . 9 ⊢ 𝑏 ∈ V
30	29, 29	xpex 7603	. . . . . . . 8 ⊢ (𝑏 × 𝑏) ∈ V
31		fex 7102	. . . . . . . 8 ⊢ ((𝐺:(𝑏 × 𝑏)⟶𝑏 ∧ (𝑏 × 𝑏) ∈ V) → 𝐺 ∈ V)
32	28, 30, 31	sylancl 586	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺 ∈ V)
33		eqid 2738	. . . . . . . 8 ⊢ (𝑏 ∈ 𝐴 ↦ 𝐺) = (𝑏 ∈ 𝐴 ↦ 𝐺)
34	33	fvmpt2 6886	. . . . . . 7 ⊢ ((𝑏 ∈ 𝐴 ∧ 𝐺 ∈ V) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏) = 𝐺)
35	4, 32, 34	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏) = 𝐺)
36	35	f1oeq1d 6711	. . . . 5 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏 ↔ 𝐺:(𝑏 × 𝑏)–1-1-onto→𝑏))
37	26, 36	mpbird 256	. . . 4 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏)
38	37	expr 457	. . 3 ⊢ ((𝜑 ∧ 𝑏 ∈ 𝐴) → (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))
39	38	ralrimiva 3103	. 2 ⊢ (𝜑 → ∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))
40		nfmpt1 5182	. . . 4 ⊢ Ⅎ𝑏(𝑏 ∈ 𝐴 ↦ 𝐺)
41	40	nfeq2 2924	. . 3 ⊢ Ⅎ𝑏 𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺)
42		fveq1 6773	. . . . 5 ⊢ (𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺) → (𝑔‘𝑏) = ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏))
43	42	f1oeq1d 6711	. . . 4 ⊢ (𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺) → ((𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏 ↔ ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))
44	43	imbi2d 341	. . 3 ⊢ (𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺) → ((ω ⊆ 𝑏 → (𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏) ↔ (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏)))
45	41, 44	ralbid 3161	. 2 ⊢ (𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺) → (∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → (𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏) ↔ ∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏)))
46	2, 39, 45	spcedv 3537	1 ⊢ (𝜑 → ∃𝑔∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → (𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))

Syntax hints:   → wi 4   ∧ wa 396   = wceq 1539  ∃wex 1782   ∈ wcel 2106  ∀wral 3064  ∃wrex 3065  {crab 3068  Vcvv 3432   ∖ cdif 3884   ⊆ wss 3887  ∅c0 4256  ⟨cop 4567   class class class wbr 5074   ↦ cmpt 5157   I cid 5488   × cxp 5587  ^◡ccnv 5588  ran crn 5590   ↾ cres 5591   ∘ ccom 5593  Oncon0 6266  ⟶wf 6429  –1-1-onto→wf1o 6432  ‘cfv 6433  (class class class)co 7275   ∈ cmpo 7277  ωcom 7712  1_oc1o 8290  2_oc2o 8291   +_o coa 8294   ·_o comu 8295   ↑_o coe 8296   ↑_m cmap 8615   finSupp cfsupp 9128   CNF ccnf 9419

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-supp 7978  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-seqom 8279  df-1o 8297  df-2o 8298  df-oadd 8301  df-omul 8302  df-oexp 8303  df-er 8498  df-map 8617  df-en 8734  df-dom 8735  df-sdom 8736  df-fin 8737  df-fsupp 9129  df-oi 9269  df-cnf 9420

This theorem is referenced by:  infxpenc2lem3  9777