etransclem28 - Mathbox for Glauco Siliprandi

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Theorem etransclem28 46996

Description: (𝑃 − 1) factorial divides the 𝑁-th derivative of 𝐹 applied to 𝐽. (Contributed by Glauco Siliprandi, 5-Apr-2020.)

**Hypotheses**
Ref	Expression
etransclem28.p	⊢ (𝜑 → 𝑃 ∈ ℕ)
etransclem28.m	⊢ (𝜑 → 𝑀 ∈ ℕ₀)
etransclem28.n	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
etransclem28.c	⊢ 𝐶 = (𝑛 ∈ ℕ₀ ↦ {𝑐 ∈ ((0...𝑛) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑛})
etransclem28.d	⊢ (𝜑 → 𝐷 ∈ (𝐶‘𝑁))
etransclem28.j	⊢ (𝜑 → 𝐽 ∈ (0...𝑀))
etransclem28.t	⊢ 𝑇 = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗)))))))

**Assertion**
Ref	Expression
etransclem28	⊢ (𝜑 → (!‘(𝑃 − 1)) ∥ 𝑇)

Distinct variable groups: 𝐷,𝑐,𝑗 𝑗,𝐽 𝑀,𝑐,𝑗,𝑛 𝑁,𝑐,𝑛 𝑃,𝑗 𝜑,𝑗,𝑛 Allowed substitution hints: 𝜑(𝑐) 𝐶(𝑗,𝑛,𝑐) 𝐷(𝑛) 𝑃(𝑛,𝑐) 𝑇(𝑗,𝑛,𝑐) 𝐽(𝑛,𝑐) 𝑁(𝑗)

**Proof of Theorem etransclem28**
Step	Hyp	Ref	Expression
1		etransclem28.p	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑃 ∈ ℕ)
2		nnm1nn0 12540	. . . . . . . . . . . 12 ⊢ (𝑃 ∈ ℕ → (𝑃 − 1) ∈ ℕ₀)
3	1, 2	syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑃 − 1) ∈ ℕ₀)
4	3	faccld 14316	. . . . . . . . . 10 ⊢ (𝜑 → (!‘(𝑃 − 1)) ∈ ℕ)
5	4	nnzd 12612	. . . . . . . . 9 ⊢ (𝜑 → (!‘(𝑃 − 1)) ∈ ℤ)
6	5	adantr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐽 = 0) → (!‘(𝑃 − 1)) ∈ ℤ)
7		etransclem28.d	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐷 ∈ (𝐶‘𝑁))
8		etransclem28.c	. . . . . . . . . . . . . . . . 17 ⊢ 𝐶 = (𝑛 ∈ ℕ₀ ↦ {𝑐 ∈ ((0...𝑛) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑛})
9		etransclem28.n	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
10	8, 9	etransclem12 46980	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐶‘𝑁) = {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁})
11	7, 10	eleqtrd 2865	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁})
12		fveq1 6880	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑐 = 𝐷 → (𝑐‘𝑗) = (𝐷‘𝑗))
13	12	sumeq2sdv 15750	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑐 = 𝐷 → Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗))
14	13	eqeq1d 2765	. . . . . . . . . . . . . . . . 17 ⊢ (𝑐 = 𝐷 → (Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁 ↔ Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗) = 𝑁))
15	14	elrab 3650	. . . . . . . . . . . . . . . 16 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} ↔ (𝐷 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∧ Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗) = 𝑁))
16	15	simprbi 502	. . . . . . . . . . . . . . 15 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} → Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗) = 𝑁)
17	11, 16	syl 18	. . . . . . . . . . . . . 14 ⊢ (𝜑 → Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗) = 𝑁)
18	17	eqcomd 2769	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑁 = Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗))
19	18	fveq2d 6885	. . . . . . . . . . . 12 ⊢ (𝜑 → (!‘𝑁) = (!‘Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗)))
20	19	oveq1d 7425	. . . . . . . . . . 11 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) = ((!‘Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗)) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))))
21		nfcv 2925	. . . . . . . . . . . 12 ⊢ Ⅎ𝑗𝐷
22		fzfid 14005	. . . . . . . . . . . 12 ⊢ (𝜑 → (0...𝑀) ∈ Fin)
23		nn0ex 12505	. . . . . . . . . . . . . . 15 ⊢ ℕ₀ ∈ V
24		fzssnn0 46055	. . . . . . . . . . . . . . . 16 ⊢ (0...𝑁) ⊆ ℕ₀
25	24	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} → (0...𝑁) ⊆ ℕ₀)
26		mapss 8883	. . . . . . . . . . . . . . 15 ⊢ ((ℕ₀ ∈ V ∧ (0...𝑁) ⊆ ℕ₀) → ((0...𝑁) ↑_m (0...𝑀)) ⊆ (ℕ₀ ↑_m (0...𝑀)))
27	23, 25, 26	sylancr 598	. . . . . . . . . . . . . 14 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} → ((0...𝑁) ↑_m (0...𝑀)) ⊆ (ℕ₀ ↑_m (0...𝑀)))
28		elrabi 3646	. . . . . . . . . . . . . 14 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} → 𝐷 ∈ ((0...𝑁) ↑_m (0...𝑀)))
29	27, 28	sseldd 3938	. . . . . . . . . . . . 13 ⊢ (𝐷 ∈ {𝑐 ∈ ((0...𝑁) ↑_m (0...𝑀)) ∣ Σ𝑗 ∈ (0...𝑀)(𝑐‘𝑗) = 𝑁} → 𝐷 ∈ (ℕ₀ ↑_m (0...𝑀)))
30	11, 29	syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐷 ∈ (ℕ₀ ↑_m (0...𝑀)))
31	21, 22, 30	mccl 46334	. . . . . . . . . . 11 ⊢ (𝜑 → ((!‘Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗)) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℕ)
32	20, 31	eqeltrd 2863	. . . . . . . . . 10 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℕ)
33	32	nnzd 12612	. . . . . . . . 9 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℤ)
34	33	adantr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐽 = 0) → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℤ)
35		df-neg 11439	. . . . . . . . . . . . . . . 16 ⊢ -𝑗 = (0 − 𝑗)
36		oveq1 7417	. . . . . . . . . . . . . . . 16 ⊢ (𝐽 = 0 → (𝐽 − 𝑗) = (0 − 𝑗))
37	35, 36	eqtr4id 2817	. . . . . . . . . . . . . . 15 ⊢ (𝐽 = 0 → -𝑗 = (𝐽 − 𝑗))
38	37	oveq1d 7425	. . . . . . . . . . . . . 14 ⊢ (𝐽 = 0 → (-𝑗↑(𝑃 − (𝐷‘𝑗))) = ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))
39	38	oveq2d 7426	. . . . . . . . . . . . 13 ⊢ (𝐽 = 0 → (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))) = (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗)))))
40	39	ifeq2d 4508	. . . . . . . . . . . 12 ⊢ (𝐽 = 0 → if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))) = if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))
41	40	prodeq2ad 46328	. . . . . . . . . . 11 ⊢ (𝐽 = 0 → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))) = ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))
42	41	adantl 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐽 = 0) → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))) = ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))
43	11, 28	syl 18	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐷 ∈ ((0...𝑁) ↑_m (0...𝑀)))
44		elmapi 8842	. . . . . . . . . . . . 13 ⊢ (𝐷 ∈ ((0...𝑁) ↑_m (0...𝑀)) → 𝐷:(0...𝑀)⟶(0...𝑁))
45	43, 44	syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐷:(0...𝑀)⟶(0...𝑁))
46		etransclem28.j	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐽 ∈ (0...𝑀))
47	1, 45, 46	etransclem7 46975	. . . . . . . . . . 11 ⊢ (𝜑 → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))) ∈ ℤ)
48	47	adantr 485	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐽 = 0) → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))) ∈ ℤ)
49	42, 48	eqeltrd 2863	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐽 = 0) → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))) ∈ ℤ)
50	6, 49	zmulcld 12701	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐽 = 0) → ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))) ∈ ℤ)
51	6, 34, 50	3jca 1146	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐽 = 0) → ((!‘(𝑃 − 1)) ∈ ℤ ∧ ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℤ ∧ ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))) ∈ ℤ))
52		dvdsmul1 16330	. . . . . . . 8 ⊢ (((!‘(𝑃 − 1)) ∈ ℤ ∧ ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))) ∈ ℤ) → (!‘(𝑃 − 1)) ∥ ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))))
53	6, 49, 52	syl2anc 595	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐽 = 0) → (!‘(𝑃 − 1)) ∥ ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))))
54		dvdsmultr2 16351	. . . . . . 7 ⊢ (((!‘(𝑃 − 1)) ∈ ℤ ∧ ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) ∈ ℤ ∧ ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))) ∈ ℤ) → ((!‘(𝑃 − 1)) ∥ ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗)))))))))
55	51, 53, 54	sylc 66	. . . . . 6 ⊢ ((𝜑 ∧ 𝐽 = 0) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))))))
56	55	adantr 485	. . . . 5 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))))))
57	1	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → 𝑃 ∈ ℕ)
58		etransclem28.m	. . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℕ₀)
59	58	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → 𝑀 ∈ ℕ₀)
60	45	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → 𝐷:(0...𝑀)⟶(0...𝑁))
61		eqid 2763	. . . . . 6 ⊢ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗)))))))
62		simplr 780	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → 𝐽 = 0)
63		simpr 489	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → (𝐷‘0) = (𝑃 − 1))
64	57, 59, 60, 61, 62, 63	etransclem14 46982	. . . . 5 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · ((!‘(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · (-𝑗↑(𝑃 − (𝐷‘𝑗))))))))
65	56, 64	breqtrrd 5139	. . . 4 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ (𝐷‘0) = (𝑃 − 1)) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
66		dvds0 16324	. . . . . . 7 ⊢ ((!‘(𝑃 − 1)) ∈ ℤ → (!‘(𝑃 − 1)) ∥ 0)
67	5, 66	syl 18	. . . . . 6 ⊢ (𝜑 → (!‘(𝑃 − 1)) ∥ 0)
68	67	ad2antrr 738	. . . . 5 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → (!‘(𝑃 − 1)) ∥ 0)
69	1	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → 𝑃 ∈ ℕ)
70	58	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → 𝑀 ∈ ℕ₀)
71	9	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → 𝑁 ∈ ℕ₀)
72	45	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → 𝐷:(0...𝑀)⟶(0...𝑁))
73		simplr 780	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → 𝐽 = 0)
74		neqne 2966	. . . . . . 7 ⊢ (¬ (𝐷‘0) = (𝑃 − 1) → (𝐷‘0) ≠ (𝑃 − 1))
75	74	adantl 486	. . . . . 6 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → (𝐷‘0) ≠ (𝑃 − 1))
76	69, 70, 71, 72, 61, 73, 75	etransclem15 46983	. . . . 5 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) = 0)
77	68, 76	breqtrrd 5139	. . . 4 ⊢ (((𝜑 ∧ 𝐽 = 0) ∧ ¬ (𝐷‘0) = (𝑃 − 1)) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
78	65, 77	pm2.61dan 824	. . 3 ⊢ ((𝜑 ∧ 𝐽 = 0) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
79	1	nnzd 12612	. . . . . 6 ⊢ (𝜑 → 𝑃 ∈ ℤ)
80		elfznn0 13644	. . . . . . . . 9 ⊢ (𝐽 ∈ (0...𝑀) → 𝐽 ∈ ℕ₀)
81	46, 80	syl 18	. . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ ℕ₀)
82	81	nn0zd 12611	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ ℤ)
83	1, 58, 9, 82, 8, 7	etransclem26 46994	. . . . . 6 ⊢ (𝜑 → (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) ∈ ℤ)
84	5, 79, 83	3jca 1146	. . . . 5 ⊢ (𝜑 → ((!‘(𝑃 − 1)) ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) ∈ ℤ))
85	84	adantr 485	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → ((!‘(𝑃 − 1)) ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) ∈ ℤ))
86	1	nncnd 12244	. . . . . . . . . 10 ⊢ (𝜑 → 𝑃 ∈ ℂ)
87		1cnd 11197	. . . . . . . . . 10 ⊢ (𝜑 → 1 ∈ ℂ)
88	86, 87	npcand 11568	. . . . . . . . 9 ⊢ (𝜑 → ((𝑃 − 1) + 1) = 𝑃)
89	88	eqcomd 2769	. . . . . . . 8 ⊢ (𝜑 → 𝑃 = ((𝑃 − 1) + 1))
90	89	fveq2d 6885	. . . . . . 7 ⊢ (𝜑 → (!‘𝑃) = (!‘((𝑃 − 1) + 1)))
91		facp1 14310	. . . . . . . 8 ⊢ ((𝑃 − 1) ∈ ℕ₀ → (!‘((𝑃 − 1) + 1)) = ((!‘(𝑃 − 1)) · ((𝑃 − 1) + 1)))
92	3, 91	syl 18	. . . . . . 7 ⊢ (𝜑 → (!‘((𝑃 − 1) + 1)) = ((!‘(𝑃 − 1)) · ((𝑃 − 1) + 1)))
93	88	oveq2d 7426	. . . . . . 7 ⊢ (𝜑 → ((!‘(𝑃 − 1)) · ((𝑃 − 1) + 1)) = ((!‘(𝑃 − 1)) · 𝑃))
94	90, 92, 93	3eqtrrd 2803	. . . . . 6 ⊢ (𝜑 → ((!‘(𝑃 − 1)) · 𝑃) = (!‘𝑃))
95	94	adantr 485	. . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → ((!‘(𝑃 − 1)) · 𝑃) = (!‘𝑃))
96	1	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝑃 ∈ ℕ)
97	58	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝑀 ∈ ℕ₀)
98	9	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝑁 ∈ ℕ₀)
99	45	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐷:(0...𝑀)⟶(0...𝑁))
100	17	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → Σ𝑗 ∈ (0...𝑀)(𝐷‘𝑗) = 𝑁)
101		1zzd 12620	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 1 ∈ ℤ)
102	58	nn0zd 12611	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℤ)
103	102	adantr 485	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝑀 ∈ ℤ)
104	82	adantr 485	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ∈ ℤ)
105	81	adantr 485	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ∈ ℕ₀)
106		neqne 2966	. . . . . . . . . 10 ⊢ (¬ 𝐽 = 0 → 𝐽 ≠ 0)
107	106	adantl 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ≠ 0)
108		elnnne0 12513	. . . . . . . . 9 ⊢ (𝐽 ∈ ℕ ↔ (𝐽 ∈ ℕ₀ ∧ 𝐽 ≠ 0))
109	105, 107, 108	sylanbrc 594	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ∈ ℕ)
110	109	nnge1d 12279	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 1 ≤ 𝐽)
111		elfzle2 13551	. . . . . . . . 9 ⊢ (𝐽 ∈ (0...𝑀) → 𝐽 ≤ 𝑀)
112	46, 111	syl 18	. . . . . . . 8 ⊢ (𝜑 → 𝐽 ≤ 𝑀)
113	112	adantr 485	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ≤ 𝑀)
114	101, 103, 104, 110, 113	elfzd 13538	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → 𝐽 ∈ (1...𝑀))
115	96, 97, 98, 99, 100, 61, 114	etransclem25 46993	. . . . 5 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → (!‘𝑃) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
116	95, 115	eqbrtrd 5133	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → ((!‘(𝑃 − 1)) · 𝑃) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
117		muldvds1 16333	. . . 4 ⊢ (((!‘(𝑃 − 1)) ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) ∈ ℤ) → (((!‘(𝑃 − 1)) · 𝑃) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗)))))))))
118	85, 116, 117	sylc 66	. . 3 ⊢ ((𝜑 ∧ ¬ 𝐽 = 0) → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
119	78, 118	pm2.61dan 824	. 2 ⊢ (𝜑 → (!‘(𝑃 − 1)) ∥ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗))))))))
120		etransclem28.t	. 2 ⊢ 𝑇 = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐷‘𝑗))) · (if((𝑃 − 1) < (𝐷‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐷‘0)))) · (𝐽↑((𝑃 − 1) − (𝐷‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐷‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐷‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐷‘𝑗)))))))
121	119, 120	breqtrrdi 5153	1 ⊢ (𝜑 → (!‘(𝑃 − 1)) ∥ 𝑇)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 {crab 3416 Vcvv 3455 ⊆ wss 3905 ifcif 4487 class class class wbr 5109 ↦ cmpt 5192 ⟶wf 6532 ‘cfv 6536 (class class class)co 7410 ↑_m cmap 8820 0cc0 11095 1c1 11096 + caddc 11098 · cmul 11100 < clt 11238 ≤ cle 11239 − cmin 11436 -cneg 11437 / cdiv 11866 ℕcn 12228 ℕ₀cn0 12499 ℤcz 12586 ...cfz 13530 ↑cexp 14093 !cfa 14305 Σcsu 15733 ∏cprod 15953 ∥ cdvds 16305

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-inf2 9606 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 ax-pre-sup 11173

This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-se 5615 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9398 df-oi 9468 df-card 9921 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-div 11867 df-nn 12229 df-2 12298 df-3 12299 df-n0 12500 df-z 12587 df-uz 12858 df-rp 13012 df-fz 13531 df-fzo 13679 df-seq 14034 df-exp 14094 df-fac 14306 df-bc 14335 df-hash 14363 df-cj 15146 df-re 15147 df-im 15148 df-sqrt 15282 df-abs 15283 df-clim 15535 df-sum 15734 df-prod 15954 df-dvds 16306

This theorem is referenced by: etransclem37 47005 etransclem38 47006

W3C validator