Theorem infxpenc2lem2 10099

Description: Lemma for infxpenc2 10101. (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 7230	. 2 ⊢ (𝜑 → (𝑏 ∈ 𝐴 ↦ 𝐺) ∈ V)
3	1	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐴 ∈ On)
4		simprl 783	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝑏 ∈ 𝐴)
5		onelon 6387	. . . . . . 7 ⊢ ((𝐴 ∈ On ∧ 𝑏 ∈ 𝐴) → 𝑏 ∈ On)
6	3, 4, 5	syl2anc 596	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝑏 ∈ On)
7		simprr 785	. . . . . 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 10098	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (𝑊 ∈ (On ∖ 1o) ∧ (𝑛‘𝑏):𝑏–1-1-onto→(ω ↑o 𝑊)))
11	10	simpld 500	. . . . . 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 486	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐹:(ω ↑o 2o)–1-1-onto→ω)
14		infxpenc2.5	. . . . . . 7 ⊢ (𝜑 → (𝐹‘∅) = ∅)
15	14	adantr 486	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → (𝐹‘∅) = ∅)
16	10	simprd 501	. . . . . 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 10097	. . . . 5 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)–1-1-onto→𝑏)
27		f1of 6824	. . . . . . . . 9 ⊢ (𝐺:(𝑏 × 𝑏)–1-1-onto→𝑏 → 𝐺:(𝑏 × 𝑏)⟶𝑏)
28	26, 27	syl 18	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺:(𝑏 × 𝑏)⟶𝑏)
29		vex 3455	. . . . . . . . 9 ⊢ 𝑏 ∈ V
30	29, 29	xpex 7767	. . . . . . . 8 ⊢ (𝑏 × 𝑏) ∈ V
31		fex 7232	. . . . . . . 8 ⊢ ((𝐺:(𝑏 × 𝑏)⟶𝑏 ∧ (𝑏 × 𝑏) ∈ V) → 𝐺 ∈ V)
32	28, 30, 31	sylancl 598	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → 𝐺 ∈ V)
33		eqid 2761	. . . . . . . 8 ⊢ (𝑏 ∈ 𝐴 ↦ 𝐺) = (𝑏 ∈ 𝐴 ↦ 𝐺)
34	33	fvmpt2 7005	. . . . . . 7 ⊢ ((𝑏 ∈ 𝐴 ∧ 𝐺 ∈ V) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏) = 𝐺)
35	4, 32, 34	syl2anc 596	. . . . . 6 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏) = 𝐺)
36	35	f1oeq1d 6819	. . . . 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 260	. . . 4 ⊢ ((𝜑 ∧ (𝑏 ∈ 𝐴 ∧ ω ⊆ 𝑏)) → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏)
38	37	expr 462	. . 3 ⊢ ((𝜑 ∧ 𝑏 ∈ 𝐴) → (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))
39	38	ralrimiva 3155	. 2 ⊢ (𝜑 → ∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))
40		nfmpt1 5204	. . . 4 ⊢ Ⅎ𝑏(𝑏 ∈ 𝐴 ↦ 𝐺)
41	40	nfeq2 2940	. . 3 ⊢ Ⅎ𝑏 𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺)
42		fveq1 6884	. . . . 5 ⊢ (𝑔 = (𝑏 ∈ 𝐴 ↦ 𝐺) → (𝑔‘𝑏) = ((𝑏 ∈ 𝐴 ↦ 𝐺)‘𝑏))
43	42	f1oeq1d 6819	. . . 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 343	. . 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 3276	. 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 3553	1 ⊢ (𝜑 → ∃𝑔∀𝑏 ∈ 𝐴 (ω ⊆ 𝑏 → (𝑔‘𝑏):(𝑏 × 𝑏)–1-1-onto→𝑏))

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1570  ∃wex 1812   ∈ wcel 2145  ∀wral 3077  ∃wrex 3087  {crab 3413  Vcvv 3451   ∖ cdif 3896   ⊆ wss 3899  ∅c0 4279  ⟨cop 4590   class class class wbr 5103   ↦ cmpt 5186   I cid 5545   × cxp 5649  ^◡ccnv 5650  ran crn 5652   ↾ cres 5653   ∘ ccom 5655  Oncon0 6362  ⟶wf 6534  –1-1-onto→wf1o 6537  ‘cfv 6538  (class class class)co 7420   ∈ cmpo 7422  ωcom 7877  1_oc1o 8469  2_oc2o 8470   +_o coa 8473   ·_o comu 8474   ↑_o coe 8475   ↑_m cmap 8847   finSupp cfsupp 9353   CNF ccnf 9662

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7751  ax-inf2 9642

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-se 5605  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6304  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-isom 6547  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7878  df-1st 8001  df-2nd 8002  df-supp 8178  df-frecs 8299  df-wrecs 8330  df-recs 8379  df-rdg 8418  df-seqom 8458  df-1o 8476  df-2o 8477  df-oadd 8480  df-omul 8481  df-oexp 8482  df-er 8717  df-map 8849  df-en 8974  df-dom 8975  df-sdom 8976  df-fin 8977  df-fsupp 9354  df-oi 9504  df-cnf 9663

This theorem is used by:  infxpenc2lem3  10100