eldioph2 - Mathbox for Stefan O'Rear

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Theorem eldioph2 42247

Description: Construct a Diophantine set from a polynomial with witness variables drawn from any set whatsoever, via mzpcompact2 42237. (Contributed by Stefan O'Rear, 8-Oct-2014.) (Revised by Stefan O'Rear, 5-Jun-2015.)

**Assertion**
Ref	Expression
eldioph2	⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} ∈ (Dioph‘𝑁))

Distinct variable groups: 𝑡,𝑃,𝑢 𝑡,𝑆,𝑢 𝑡,𝑁,𝑢

Proof of Theorem eldioph2 Dummy variables 𝑎 𝑏 𝑐 𝑒 𝑔 ℎ 𝑑 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mzpcompact2 42237	. . 3 ⊢ (𝑃 ∈ (mzPoly‘𝑆) → ∃𝑎 ∈ Fin ∃𝑏 ∈ (mzPoly‘𝑎)(𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))))
2	1	3ad2ant3 1132	. 2 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) → ∃𝑎 ∈ Fin ∃𝑏 ∈ (mzPoly‘𝑎)(𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))))
3		fveq1 6891	. . . . . . . . . 10 ⊢ (𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) → (𝑃‘𝑢) = ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢))
4	3	eqeq1d 2727	. . . . . . . . 9 ⊢ (𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) → ((𝑃‘𝑢) = 0 ↔ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0))
5	4	anbi2d 628	. . . . . . . 8 ⊢ (𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) → ((𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0) ↔ (𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)))
6	5	rexbidv 3169	. . . . . . 7 ⊢ (𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) → (∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0) ↔ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)))
7	6	abbidv 2794	. . . . . 6 ⊢ (𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)})
8	7	ad2antll 727	. . . . 5 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ (𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)})
9		simplll 773	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → 𝑁 ∈ ℕ₀)
10		simplrl 775	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → 𝑎 ∈ Fin)
11		fzfi 13969	. . . . . . . . . . . 12 ⊢ (1...𝑁) ∈ Fin
12		unfi 9195	. . . . . . . . . . . 12 ⊢ ((𝑎 ∈ Fin ∧ (1...𝑁) ∈ Fin) → (𝑎 ∪ (1...𝑁)) ∈ Fin)
13	10, 11, 12	sylancl 584	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → (𝑎 ∪ (1...𝑁)) ∈ Fin)
14		ssun2 4167	. . . . . . . . . . . 12 ⊢ (1...𝑁) ⊆ (𝑎 ∪ (1...𝑁))
15	14	a1i 11	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → (1...𝑁) ⊆ (𝑎 ∪ (1...𝑁)))
16		eldioph2lem1 42245	. . . . . . . . . . 11 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑎 ∪ (1...𝑁)) ∈ Fin ∧ (1...𝑁) ⊆ (𝑎 ∪ (1...𝑁))) → ∃𝑐 ∈ (ℤ_≥‘𝑁)∃𝑑 ∈ V (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁))))
17	9, 13, 15, 16	syl3anc 1368	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → ∃𝑐 ∈ (ℤ_≥‘𝑁)∃𝑑 ∈ V (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁))))
18		f1ococnv2 6861	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) → (𝑑 ∘ ^◡𝑑) = ( I ↾ (𝑎 ∪ (1...𝑁))))
19	18	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (𝑑 ∘ ^◡𝑑) = ( I ↾ (𝑎 ∪ (1...𝑁))))
20	19	reseq1d 5978	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → ((𝑑 ∘ ^◡𝑑) ↾ 𝑎) = (( I ↾ (𝑎 ∪ (1...𝑁))) ↾ 𝑎))
21		ssun1 4166	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ 𝑎 ⊆ (𝑎 ∪ (1...𝑁))
22		resabs1 6006	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ (𝑎 ⊆ (𝑎 ∪ (1...𝑁)) → (( I ↾ (𝑎 ∪ (1...𝑁))) ↾ 𝑎) = ( I ↾ 𝑎))
23	21, 22	ax-mp 5	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (( I ↾ (𝑎 ∪ (1...𝑁))) ↾ 𝑎) = ( I ↾ 𝑎)
24	20, 23	eqtr2di 2782	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → ( I ↾ 𝑎) = ((𝑑 ∘ ^◡𝑑) ↾ 𝑎))
25		resco 6249	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((𝑑 ∘ ^◡𝑑) ↾ 𝑎) = (𝑑 ∘ (^◡𝑑 ↾ 𝑎))
26	24, 25	eqtrdi 2781	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → ( I ↾ 𝑎) = (𝑑 ∘ (^◡𝑑 ↾ 𝑎)))
27	26	adantr 479	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → ( I ↾ 𝑎) = (𝑑 ∘ (^◡𝑑 ↾ 𝑎)))
28	27	coeq2d 5859	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (𝑒 ∘ ( I ↾ 𝑎)) = (𝑒 ∘ (𝑑 ∘ (^◡𝑑 ↾ 𝑎))))
29		coires1 6263	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑒 ∘ ( I ↾ 𝑎)) = (𝑒 ↾ 𝑎)
30		coass 6264	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎)) = (𝑒 ∘ (𝑑 ∘ (^◡𝑑 ↾ 𝑎)))
31	30	eqcomi 2734	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑒 ∘ (𝑑 ∘ (^◡𝑑 ↾ 𝑎))) = ((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))
32	28, 29, 31	3eqtr3g 2788	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (𝑒 ↾ 𝑎) = ((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎)))
33	32	fveq2d 6896	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (𝑏‘(𝑒 ↾ 𝑎)) = (𝑏‘((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))))
34		ovexd 7451	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (1...𝑐) ∈ V)
35		simpr 483	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → 𝑒 ∈ (ℤ ↑_m 𝑆))
36		f1of1 6833	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) → 𝑑:(1...𝑐)–1-1→(𝑎 ∪ (1...𝑁)))
37	36	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑑:(1...𝑐)–1-1→(𝑎 ∪ (1...𝑁)))
38		simpr 483	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → 𝑎 ⊆ 𝑆)
39		simprr 771	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) → (1...𝑁) ⊆ 𝑆)
40	39	ad2antrr 724	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → (1...𝑁) ⊆ 𝑆)
41	38, 40	unssd 4180	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → (𝑎 ∪ (1...𝑁)) ⊆ 𝑆)
42	41	ad2antrr 724	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (𝑎 ∪ (1...𝑁)) ⊆ 𝑆)
43		f1ss 6794	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((𝑑:(1...𝑐)–1-1→(𝑎 ∪ (1...𝑁)) ∧ (𝑎 ∪ (1...𝑁)) ⊆ 𝑆) → 𝑑:(1...𝑐)–1-1→𝑆)
44	37, 42, 43	syl2anc 582	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑑:(1...𝑐)–1-1→𝑆)
45		f1f 6788	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (𝑑:(1...𝑐)–1-1→𝑆 → 𝑑:(1...𝑐)⟶𝑆)
46	44, 45	syl 17	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑑:(1...𝑐)⟶𝑆)
47	46	adantr 479	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → 𝑑:(1...𝑐)⟶𝑆)
48		mapco2g 42199	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((1...𝑐) ∈ V ∧ 𝑒 ∈ (ℤ ↑_m 𝑆) ∧ 𝑑:(1...𝑐)⟶𝑆) → (𝑒 ∘ 𝑑) ∈ (ℤ ↑_m (1...𝑐)))
49	34, 35, 47, 48	syl3anc 1368	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (𝑒 ∘ 𝑑) ∈ (ℤ ↑_m (1...𝑐)))
50		coeq1 5854	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (ℎ = (𝑒 ∘ 𝑑) → (ℎ ∘ (^◡𝑑 ↾ 𝑎)) = ((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎)))
51	50	fveq2d 6896	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (ℎ = (𝑒 ∘ 𝑑) → (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))) = (𝑏‘((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))))
52		eqid 2725	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎)))) = (ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))
53		fvex 6905	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑏‘((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))) ∈ V
54	51, 52, 53	fvmpt 7000	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑒 ∘ 𝑑) ∈ (ℤ ↑_m (1...𝑐)) → ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)) = (𝑏‘((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))))
55	49, 54	syl 17	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)) = (𝑏‘((𝑒 ∘ 𝑑) ∘ (^◡𝑑 ↾ 𝑎))))
56	33, 55	eqtr4d 2768	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) ∧ 𝑒 ∈ (ℤ ↑_m 𝑆)) → (𝑏‘(𝑒 ↾ 𝑎)) = ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))
57	56	mpteq2dva 5243	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))) = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑))))
58	57	fveq1d 6894	. . . . . . . . . . . . . . . . . 18 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢))
59	58	eqeq1d 2727	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0 ↔ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0))
60	59	anbi2d 628	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → ((𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0) ↔ (𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0)))
61	60	rexbidv 3169	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0) ↔ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0)))
62	61	abbidv 2794	. . . . . . . . . . . . . 14 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0)})
63		simplrl 775	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) → 𝑆 ∈ V)
64	63	ad3antrrr 728	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑆 ∈ V)
65		simprr 771	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))
66		diophrw 42244	. . . . . . . . . . . . . . 15 ⊢ ((𝑆 ∈ V ∧ 𝑑:(1...𝑐)–1-1→𝑆 ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0)} = {𝑡 ∣ ∃𝑔 ∈ (ℕ₀ ↑_m (1...𝑐))(𝑡 = (𝑔 ↾ (1...𝑁)) ∧ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘𝑔) = 0)})
67	64, 44, 65, 66	syl3anc 1368	. . . . . . . . . . . . . 14 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘(𝑒 ∘ 𝑑)))‘𝑢) = 0)} = {𝑡 ∣ ∃𝑔 ∈ (ℕ₀ ↑_m (1...𝑐))(𝑡 = (𝑔 ↾ (1...𝑁)) ∧ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘𝑔) = 0)})
68	62, 67	eqtrd 2765	. . . . . . . . . . . . 13 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} = {𝑡 ∣ ∃𝑔 ∈ (ℕ₀ ↑_m (1...𝑐))(𝑡 = (𝑔 ↾ (1...𝑁)) ∧ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘𝑔) = 0)})
69		simp-5l 783	. . . . . . . . . . . . . 14 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑁 ∈ ℕ₀)
70		simplrl 775	. . . . . . . . . . . . . 14 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑐 ∈ (ℤ_≥‘𝑁))
71		ovexd 7451	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (1...𝑐) ∈ V)
72		simplrr 776	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → 𝑏 ∈ (mzPoly‘𝑎))
73	72	ad2antrr 724	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → 𝑏 ∈ (mzPoly‘𝑎))
74		f1ocnv 6846	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) → ^◡𝑑:(𝑎 ∪ (1...𝑁))–1-1-onto→(1...𝑐))
75		f1of 6834	. . . . . . . . . . . . . . . . . 18 ⊢ (^◡𝑑:(𝑎 ∪ (1...𝑁))–1-1-onto→(1...𝑐) → ^◡𝑑:(𝑎 ∪ (1...𝑁))⟶(1...𝑐))
76	74, 75	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) → ^◡𝑑:(𝑎 ∪ (1...𝑁))⟶(1...𝑐))
77		fssres 6758	. . . . . . . . . . . . . . . . 17 ⊢ ((^◡𝑑:(𝑎 ∪ (1...𝑁))⟶(1...𝑐) ∧ 𝑎 ⊆ (𝑎 ∪ (1...𝑁))) → (^◡𝑑 ↾ 𝑎):𝑎⟶(1...𝑐))
78	76, 21, 77	sylancl 584	. . . . . . . . . . . . . . . 16 ⊢ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) → (^◡𝑑 ↾ 𝑎):𝑎⟶(1...𝑐))
79	78	ad2antrl 726	. . . . . . . . . . . . . . 15 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (^◡𝑑 ↾ 𝑎):𝑎⟶(1...𝑐))
80		mzprename 42234	. . . . . . . . . . . . . . 15 ⊢ (((1...𝑐) ∈ V ∧ 𝑏 ∈ (mzPoly‘𝑎) ∧ (^◡𝑑 ↾ 𝑎):𝑎⟶(1...𝑐)) → (ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎)))) ∈ (mzPoly‘(1...𝑐)))
81	71, 73, 79, 80	syl3anc 1368	. . . . . . . . . . . . . 14 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → (ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎)))) ∈ (mzPoly‘(1...𝑐)))
82		eldioph 42243	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ₀ ∧ 𝑐 ∈ (ℤ_≥‘𝑁) ∧ (ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎)))) ∈ (mzPoly‘(1...𝑐))) → {𝑡 ∣ ∃𝑔 ∈ (ℕ₀ ↑_m (1...𝑐))(𝑡 = (𝑔 ↾ (1...𝑁)) ∧ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘𝑔) = 0)} ∈ (Dioph‘𝑁))
83	69, 70, 81, 82	syl3anc 1368	. . . . . . . . . . . . 13 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → {𝑡 ∣ ∃𝑔 ∈ (ℕ₀ ↑_m (1...𝑐))(𝑡 = (𝑔 ↾ (1...𝑁)) ∧ ((ℎ ∈ (ℤ ↑_m (1...𝑐)) ↦ (𝑏‘(ℎ ∘ (^◡𝑑 ↾ 𝑎))))‘𝑔) = 0)} ∈ (Dioph‘𝑁))
84	68, 83	eqeltrd 2825	. . . . . . . . . . . 12 ⊢ ((((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) ∧ (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))
85	84	ex 411	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) ∧ (𝑐 ∈ (ℤ_≥‘𝑁) ∧ 𝑑 ∈ V)) → ((𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁)))
86	85	rexlimdvva 3202	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → (∃𝑐 ∈ (ℤ_≥‘𝑁)∃𝑑 ∈ V (𝑑:(1...𝑐)–1-1-onto→(𝑎 ∪ (1...𝑁)) ∧ (𝑑 ↾ (1...𝑁)) = ( I ↾ (1...𝑁))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁)))
87	17, 86	mpd 15	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))
88	87	exp31 418	. . . . . . . 8 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆)) → ((𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎)) → (𝑎 ⊆ 𝑆 → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))))
89	88	3adant3 1129	. . . . . . 7 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) → ((𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎)) → (𝑎 ⊆ 𝑆 → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))))
90	89	imp31 416	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ 𝑎 ⊆ 𝑆) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))
91	90	adantrr 715	. . . . 5 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ (𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ ((𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))‘𝑢) = 0)} ∈ (Dioph‘𝑁))
92	8, 91	eqeltrd 2825	. . . 4 ⊢ ((((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) ∧ (𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎))))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} ∈ (Dioph‘𝑁))
93	92	ex 411	. . 3 ⊢ (((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) ∧ (𝑎 ∈ Fin ∧ 𝑏 ∈ (mzPoly‘𝑎))) → ((𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} ∈ (Dioph‘𝑁)))
94	93	rexlimdvva 3202	. 2 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) → (∃𝑎 ∈ Fin ∃𝑏 ∈ (mzPoly‘𝑎)(𝑎 ⊆ 𝑆 ∧ 𝑃 = (𝑒 ∈ (ℤ ↑_m 𝑆) ↦ (𝑏‘(𝑒 ↾ 𝑎)))) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} ∈ (Dioph‘𝑁)))
95	2, 94	mpd 15	1 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑆 ∈ V ∧ (1...𝑁) ⊆ 𝑆) ∧ 𝑃 ∈ (mzPoly‘𝑆)) → {𝑡 ∣ ∃𝑢 ∈ (ℕ₀ ↑_m 𝑆)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃‘𝑢) = 0)} ∈ (Dioph‘𝑁))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 394 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 {cab 2702 ∃wrex 3060 Vcvv 3463 ∪ cun 3937 ⊆ wss 3939 ↦ cmpt 5226 I cid 5569 ^◡ccnv 5671 ↾ cres 5674 ∘ ccom 5676 ⟶wf 6539 –1-1→wf1 6540 –1-1-onto→wf1o 6542 ‘cfv 6543 (class class class)co 7416 ↑_m cmap 8843 Fincfn 8962 0cc0 11138 1c1 11139 ℕ₀cn0 12502 ℤcz 12588 ℤ_≥cuz 12852 ...cfz 13516 mzPolycmzp 42207 Diophcdioph 42240

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-int 4945 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-of 7682 df-om 7869 df-1st 7991 df-2nd 7992 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-oadd 8489 df-er 8723 df-map 8845 df-en 8963 df-dom 8964 df-sdom 8965 df-fin 8966 df-dju 9924 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-n0 12503 df-z 12589 df-uz 12853 df-fz 13517 df-hash 14322 df-mzpcl 42208 df-mzp 42209 df-dioph 42241

This theorem is referenced by: eldioph2b 42248 diophin 42257 diophun 42258

W3C validator