etransclem25 - Mathbox for Glauco Siliprandi

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Theorem etransclem25 47542

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

**Hypotheses**
Ref	Expression
etransclem25.p	⊢ (𝜑 → 𝑃 ∈ ℕ)
etransclem25.m	⊢ (𝜑 → 𝑀 ∈ ℕ₀)
etransclem25.n	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
etransclem25.c	⊢ (𝜑 → 𝐶:(0...𝑀)⟶(0...𝑁))
etransclem25.sumc	⊢ (𝜑 → Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗) = 𝑁)
etransclem25.t	⊢ 𝑇 = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · (if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))))
etransclem25.j	⊢ (𝜑 → 𝐽 ∈ (1...𝑀))

**Assertion**
Ref	Expression
etransclem25	⊢ (𝜑 → (!‘𝑃) ∥ 𝑇)

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

**Proof of Theorem etransclem25**
Step	Hyp	Ref	Expression
1		etransclem25.p	. . . . . . 7 ⊢ (𝜑 → 𝑃 ∈ ℕ)
2	1	nnnn0d 12707	. . . . . 6 ⊢ (𝜑 → 𝑃 ∈ ℕ₀)
3	2	faccld 14469	. . . . 5 ⊢ (𝜑 → (!‘𝑃) ∈ ℕ)
4	3	nnzd 12759	. . . 4 ⊢ (𝜑 → (!‘𝑃) ∈ ℤ)
5		etransclem25.sumc	. . . . . . . . . 10 ⊢ (𝜑 → Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗) = 𝑁)
6	5	eqcomd 2769	. . . . . . . . 9 ⊢ (𝜑 → 𝑁 = Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗))
7	6	fveq2d 6920	. . . . . . . 8 ⊢ (𝜑 → (!‘𝑁) = (!‘Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗)))
8	7	oveq1d 7466	. . . . . . 7 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) = ((!‘Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗)) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))))
9		nfcv 2926	. . . . . . . 8 ⊢ Ⅎ𝑗𝐶
10		fzfid 14156	. . . . . . . 8 ⊢ (𝜑 → (0...𝑀) ∈ Fin)
11		etransclem25.c	. . . . . . . . 9 ⊢ (𝜑 → 𝐶:(0...𝑀)⟶(0...𝑁))
12		nn0ex 12652	. . . . . . . . . . 11 ⊢ ℕ₀ ∈ V
13		fzssnn0 46604	. . . . . . . . . . 11 ⊢ (0...𝑁) ⊆ ℕ₀
14		mapss 8955	. . . . . . . . . . 11 ⊢ ((ℕ₀ ∈ V ∧ (0...𝑁) ⊆ ℕ₀) → ((0...𝑁) ↑_m (0...𝑀)) ⊆ (ℕ₀ ↑_m (0...𝑀)))
15	12, 13, 14	mp2an 705	. . . . . . . . . 10 ⊢ ((0...𝑁) ↑_m (0...𝑀)) ⊆ (ℕ₀ ↑_m (0...𝑀))
16		ovex 7484	. . . . . . . . . . . 12 ⊢ (0...𝑁) ∈ V
17		ovexd 7486	. . . . . . . . . . . 12 ⊢ (𝐶:(0...𝑀)⟶(0...𝑁) → (0...𝑀) ∈ V)
18		elmapg 8897	. . . . . . . . . . . 12 ⊢ (((0...𝑁) ∈ V ∧ (0...𝑀) ∈ V) → (𝐶 ∈ ((0...𝑁) ↑_m (0...𝑀)) ↔ 𝐶:(0...𝑀)⟶(0...𝑁)))
19	16, 17, 18	sylancr 599	. . . . . . . . . . 11 ⊢ (𝐶:(0...𝑀)⟶(0...𝑁) → (𝐶 ∈ ((0...𝑁) ↑_m (0...𝑀)) ↔ 𝐶:(0...𝑀)⟶(0...𝑁)))
20	19	ibir 271	. . . . . . . . . 10 ⊢ (𝐶:(0...𝑀)⟶(0...𝑁) → 𝐶 ∈ ((0...𝑁) ↑_m (0...𝑀)))
21	15, 20	sselid 3911	. . . . . . . . 9 ⊢ (𝐶:(0...𝑀)⟶(0...𝑁) → 𝐶 ∈ (ℕ₀ ↑_m (0...𝑀)))
22	11, 21	syl 18	. . . . . . . 8 ⊢ (𝜑 → 𝐶 ∈ (ℕ₀ ↑_m (0...𝑀)))
23	9, 10, 22	mccl 46883	. . . . . . 7 ⊢ (𝜑 → ((!‘Σ𝑗 ∈ (0...𝑀)(𝐶‘𝑗)) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) ∈ ℕ)
24	8, 23	eqeltrd 2864	. . . . . 6 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) ∈ ℕ)
25	24	nnzd 12759	. . . . 5 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) ∈ ℤ)
26		etransclem25.m	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℕ₀)
27		etransclem25.j	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ (1...𝑀))
28	27	elfzelzd 13697	. . . . . 6 ⊢ (𝜑 → 𝐽 ∈ ℤ)
29	1, 26, 11, 28	etransclem10 47527	. . . . 5 ⊢ (𝜑 → if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0))))) ∈ ℤ)
30	25, 29	zmulcld 12849	. . . 4 ⊢ (𝜑 → (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) ∈ ℤ)
31		fzfid 14156	. . . . 5 ⊢ (𝜑 → (1...𝑀) ∈ Fin)
32	1	adantr 486	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝑃 ∈ ℕ)
33	11	adantr 486	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝐶:(0...𝑀)⟶(0...𝑁))
34		0z 12744	. . . . . . . . 9 ⊢ 0 ∈ ℤ
35		fzp1ss 13749	. . . . . . . . 9 ⊢ (0 ∈ ℤ → ((0 + 1)...𝑀) ⊆ (0...𝑀))
36	34, 35	ax-mp 5	. . . . . . . 8 ⊢ ((0 + 1)...𝑀) ⊆ (0...𝑀)
37		id 23	. . . . . . . . 9 ⊢ (𝑗 ∈ (1...𝑀) → 𝑗 ∈ (1...𝑀))
38		1e0p1 12901	. . . . . . . . . 10 ⊢ 1 = (0 + 1)
39	38	oveq1i 7461	. . . . . . . . 9 ⊢ (1...𝑀) = ((0 + 1)...𝑀)
40	37, 39	eleqtrdi 2874	. . . . . . . 8 ⊢ (𝑗 ∈ (1...𝑀) → 𝑗 ∈ ((0 + 1)...𝑀))
41	36, 40	sselid 3911	. . . . . . 7 ⊢ (𝑗 ∈ (1...𝑀) → 𝑗 ∈ (0...𝑀))
42	41	adantl 487	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝑗 ∈ (0...𝑀))
43	28	adantr 486	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝐽 ∈ ℤ)
44	32, 33, 42, 43	etransclem3 47520	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ)
45	31, 44	fprodzcl 16165	. . . 4 ⊢ (𝜑 → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ)
46	4, 30, 45	3jca 1146	. . 3 ⊢ (𝜑 → ((!‘𝑃) ∈ ℤ ∧ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) ∈ ℤ ∧ ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ))
47	28	zcnd 12844	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐽 ∈ ℂ)
48	47	subidd 11696	. . . . . . . . . 10 ⊢ (𝜑 → (𝐽 − 𝐽) = 0)
49	48	eqcomd 2769	. . . . . . . . 9 ⊢ (𝜑 → 0 = (𝐽 − 𝐽))
50	49	oveq1d 7466	. . . . . . . 8 ⊢ (𝜑 → (0↑(𝑃 − (𝐶‘𝐽))) = ((𝐽 − 𝐽)↑(𝑃 − (𝐶‘𝐽))))
51	50	oveq2d 7467	. . . . . . 7 ⊢ (𝜑 → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐽 − 𝐽)↑(𝑃 − (𝐶‘𝐽)))))
52	51	ifeq2d 4506	. . . . . 6 ⊢ (𝜑 → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐽 − 𝐽)↑(𝑃 − (𝐶‘𝐽))))))
53		id 23	. . . . . . . . . 10 ⊢ (𝐽 ∈ (1...𝑀) → 𝐽 ∈ (1...𝑀))
54	53, 39	eleqtrdi 2874	. . . . . . . . 9 ⊢ (𝐽 ∈ (1...𝑀) → 𝐽 ∈ ((0 + 1)...𝑀))
55	36, 54	sselid 3911	. . . . . . . 8 ⊢ (𝐽 ∈ (1...𝑀) → 𝐽 ∈ (0...𝑀))
56	27, 55	syl 18	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ (0...𝑀))
57	1, 11, 56, 28	etransclem3 47520	. . . . . 6 ⊢ (𝜑 → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐽 − 𝐽)↑(𝑃 − (𝐶‘𝐽))))) ∈ ℤ)
58	52, 57	eqeltrd 2864	. . . . 5 ⊢ (𝜑 → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) ∈ ℤ)
59		fzfi 14155	. . . . . . 7 ⊢ (1...𝑀) ∈ Fin
60		diffi 9228	. . . . . . 7 ⊢ ((1...𝑀) ∈ Fin → ((1...𝑀) ∖ {𝐽}) ∈ Fin)
61	59, 60	mp1i 14	. . . . . 6 ⊢ (𝜑 → ((1...𝑀) ∖ {𝐽}) ∈ Fin)
62	1	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ((1...𝑀) ∖ {𝐽})) → 𝑃 ∈ ℕ)
63	11	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ((1...𝑀) ∖ {𝐽})) → 𝐶:(0...𝑀)⟶(0...𝑁))
64		eldifi 4070	. . . . . . . . 9 ⊢ (𝑗 ∈ ((1...𝑀) ∖ {𝐽}) → 𝑗 ∈ (1...𝑀))
65	64, 41	syl 18	. . . . . . . 8 ⊢ (𝑗 ∈ ((1...𝑀) ∖ {𝐽}) → 𝑗 ∈ (0...𝑀))
66	65	adantl 487	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ((1...𝑀) ∖ {𝐽})) → 𝑗 ∈ (0...𝑀))
67	28	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ((1...𝑀) ∖ {𝐽})) → 𝐽 ∈ ℤ)
68	62, 63, 66, 67	etransclem3 47520	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ ((1...𝑀) ∖ {𝐽})) → if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ)
69	61, 68	fprodzcl 16165	. . . . 5 ⊢ (𝜑 → ∏𝑗 ∈ ((1...𝑀) ∖ {𝐽})if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ)
70		dvds0 16485	. . . . . . . . 9 ⊢ ((!‘𝑃) ∈ ℤ → (!‘𝑃) ∥ 0)
71	4, 70	syl 18	. . . . . . . 8 ⊢ (𝜑 → (!‘𝑃) ∥ 0)
72	71	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑃 < (𝐶‘𝐽)) → (!‘𝑃) ∥ 0)
73		iftrue 4491	. . . . . . . . 9 ⊢ (𝑃 < (𝐶‘𝐽) → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) = 0)
74	73	eqcomd 2769	. . . . . . . 8 ⊢ (𝑃 < (𝐶‘𝐽) → 0 = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
75	74	adantl 487	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑃 < (𝐶‘𝐽)) → 0 = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
76	72, 75	breqtrd 5137	. . . . . 6 ⊢ ((𝜑 ∧ 𝑃 < (𝐶‘𝐽)) → (!‘𝑃) ∥ if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
77		iddvds 16483	. . . . . . . . . 10 ⊢ ((!‘𝑃) ∈ ℤ → (!‘𝑃) ∥ (!‘𝑃))
78	4, 77	syl 18	. . . . . . . . 9 ⊢ (𝜑 → (!‘𝑃) ∥ (!‘𝑃))
79	78	ad2antrr 739	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ 𝑃 = (𝐶‘𝐽)) → (!‘𝑃) ∥ (!‘𝑃))
80		iffalse 4494	. . . . . . . . . 10 ⊢ (¬ 𝑃 < (𝐶‘𝐽) → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))))
81	80	ad2antlr 740	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ 𝑃 = (𝐶‘𝐽)) → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))))
82		oveq1 7458	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑃 = (𝐶‘𝐽) → (𝑃 − (𝐶‘𝐽)) = ((𝐶‘𝐽) − (𝐶‘𝐽)))
83	82	adantl 487	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) = ((𝐶‘𝐽) − (𝐶‘𝐽)))
84	11, 56	ffvelcdmd 7117	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → (𝐶‘𝐽) ∈ (0...𝑁))
85	84	elfzelzd 13697	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝐶‘𝐽) ∈ ℤ)
86	85	zcnd 12844	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (𝐶‘𝐽) ∈ ℂ)
87	86	adantr 486	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (𝐶‘𝐽) ∈ ℂ)
88	87	subidd 11696	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → ((𝐶‘𝐽) − (𝐶‘𝐽)) = 0)
89	83, 88	eqtrd 2798	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) = 0)
90	89	fveq2d 6920	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (!‘(𝑃 − (𝐶‘𝐽))) = (!‘0))
91		fac0 14461	. . . . . . . . . . . . . . 15 ⊢ (!‘0) = 1
92	90, 91	eqtrdi 2814	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (!‘(𝑃 − (𝐶‘𝐽))) = 1)
93	92	oveq2d 7467	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) = ((!‘𝑃) / 1))
94	3	nncnd 12391	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (!‘𝑃) ∈ ℂ)
95	94	div1d 12125	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((!‘𝑃) / 1) = (!‘𝑃))
96	95	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → ((!‘𝑃) / 1) = (!‘𝑃))
97	93, 96	eqtrd 2798	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) = (!‘𝑃))
98	89	oveq2d 7467	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (0↑(𝑃 − (𝐶‘𝐽))) = (0↑0))
99		0cnd 11338	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → 0 ∈ ℂ)
100	99	exp0d 14323	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (0↑0) = 1)
101	98, 100	eqtrd 2798	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (0↑(𝑃 − (𝐶‘𝐽))) = 1)
102	97, 101	oveq12d 7469	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = ((!‘𝑃) · 1))
103	94	mulridd 11365	. . . . . . . . . . . 12 ⊢ (𝜑 → ((!‘𝑃) · 1) = (!‘𝑃))
104	103	adantr 486	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → ((!‘𝑃) · 1) = (!‘𝑃))
105	102, 104	eqtrd 2798	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑃 = (𝐶‘𝐽)) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = (!‘𝑃))
106	105	adantlr 728	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ 𝑃 = (𝐶‘𝐽)) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = (!‘𝑃))
107	81, 106	eqtr2d 2799	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ 𝑃 = (𝐶‘𝐽)) → (!‘𝑃) = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
108	79, 107	breqtrd 5137	. . . . . . 7 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ 𝑃 = (𝐶‘𝐽)) → (!‘𝑃) ∥ if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
109	71	ad2antrr 739	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (!‘𝑃) ∥ 0)
110		simpr 490	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → ¬ 𝑃 < (𝐶‘𝐽))
111	110	adantr 486	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → ¬ 𝑃 < (𝐶‘𝐽))
112	111	iffalsed 4496	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))))
113		simpll 779	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → 𝜑)
114	85	zred 12843	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐶‘𝐽) ∈ ℝ)
115	114	ad2antrr 739	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (𝐶‘𝐽) ∈ ℝ)
116	1	nnred 12390	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑃 ∈ ℝ)
117	116	ad2antrr 739	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → 𝑃 ∈ ℝ)
118	114	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝐶‘𝐽) ∈ ℝ)
119	116	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → 𝑃 ∈ ℝ)
120	118, 119, 110	nltled 11499	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝐶‘𝐽) ≤ 𝑃)
121	120	adantr 486	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (𝐶‘𝐽) ≤ 𝑃)
122		neqne 2967	. . . . . . . . . . . 12 ⊢ (¬ 𝑃 = (𝐶‘𝐽) → 𝑃 ≠ (𝐶‘𝐽))
123	122	adantl 487	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → 𝑃 ≠ (𝐶‘𝐽))
124	115, 117, 121, 123	leneltd 11503	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (𝐶‘𝐽) < 𝑃)
125	1	nnzd 12759	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝑃 ∈ ℤ)
126	125	adantr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → 𝑃 ∈ ℤ)
127	85	adantr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝐶‘𝐽) ∈ ℤ)
128	126, 127	zsubcld 12848	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝑃 − (𝐶‘𝐽)) ∈ ℤ)
129		simpr 490	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝐶‘𝐽) < 𝑃)
130	114	adantr 486	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝐶‘𝐽) ∈ ℝ)
131	116	adantr 486	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → 𝑃 ∈ ℝ)
132	130, 131	posdifd 11943	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → ((𝐶‘𝐽) < 𝑃 ↔ 0 < (𝑃 − (𝐶‘𝐽))))
133	129, 132	mpbid 235	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → 0 < (𝑃 − (𝐶‘𝐽)))
134		elnnz 12743	. . . . . . . . . . . . . 14 ⊢ ((𝑃 − (𝐶‘𝐽)) ∈ ℕ ↔ ((𝑃 − (𝐶‘𝐽)) ∈ ℤ ∧ 0 < (𝑃 − (𝐶‘𝐽))))
135	128, 133, 134	sylanbrc 595	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝑃 − (𝐶‘𝐽)) ∈ ℕ)
136	135	0expd 14322	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (0↑(𝑃 − (𝐶‘𝐽))) = 0)
137	136	oveq2d 7467	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · 0))
138	94	adantr 486	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (!‘𝑃) ∈ ℂ)
139	135	nnnn0d 12707	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (𝑃 − (𝐶‘𝐽)) ∈ ℕ₀)
140	139	faccld 14469	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (!‘(𝑃 − (𝐶‘𝐽))) ∈ ℕ)
141	140	nncnd 12391	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (!‘(𝑃 − (𝐶‘𝐽))) ∈ ℂ)
142	140	nnne0d 12428	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (!‘(𝑃 − (𝐶‘𝐽))) ≠ 0)
143	138, 141, 142	divcld 12133	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) ∈ ℂ)
144	143	mul01d 11548	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · 0) = 0)
145	137, 144	eqtrd 2798	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐶‘𝐽) < 𝑃) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = 0)
146	113, 124, 145	syl2anc 596	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))) = 0)
147	112, 146	eqtr2d 2799	. . . . . . . 8 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → 0 = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
148	109, 147	breqtrd 5137	. . . . . . 7 ⊢ (((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) ∧ ¬ 𝑃 = (𝐶‘𝐽)) → (!‘𝑃) ∥ if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
149	108, 148	pm2.61dan 825	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (!‘𝑃) ∥ if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
150	76, 149	pm2.61dan 825	. . . . 5 ⊢ (𝜑 → (!‘𝑃) ∥ if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
151	4, 58, 69, 150	dvdsmultr1d 16511	. . . 4 ⊢ (𝜑 → (!‘𝑃) ∥ (if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) · ∏𝑗 ∈ ((1...𝑀) ∖ {𝐽})if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))))
152	44	zcnd 12844	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℂ)
153		fveq2 6916	. . . . . . . 8 ⊢ (𝑗 = 𝐽 → (𝐶‘𝑗) = (𝐶‘𝐽))
154	153	breq2d 5120	. . . . . . 7 ⊢ (𝑗 = 𝐽 → (𝑃 < (𝐶‘𝑗) ↔ 𝑃 < (𝐶‘𝐽)))
155	154	adantl 487	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → (𝑃 < (𝐶‘𝑗) ↔ 𝑃 < (𝐶‘𝐽)))
156	153	oveq2d 7467	. . . . . . . . . 10 ⊢ (𝑗 = 𝐽 → (𝑃 − (𝐶‘𝑗)) = (𝑃 − (𝐶‘𝐽)))
157	156	fveq2d 6920	. . . . . . . . 9 ⊢ (𝑗 = 𝐽 → (!‘(𝑃 − (𝐶‘𝑗))) = (!‘(𝑃 − (𝐶‘𝐽))))
158	157	oveq2d 7467	. . . . . . . 8 ⊢ (𝑗 = 𝐽 → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) = ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))))
159	158	adantl 487	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) = ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))))
160		oveq2 7459	. . . . . . . . 9 ⊢ (𝑗 = 𝐽 → (𝐽 − 𝑗) = (𝐽 − 𝐽))
161	160, 48	sylan9eqr 2820	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → (𝐽 − 𝑗) = 0)
162	156	adantl 487	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → (𝑃 − (𝐶‘𝑗)) = (𝑃 − (𝐶‘𝐽)))
163	161, 162	oveq12d 7469	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))) = (0↑(𝑃 − (𝐶‘𝐽))))
164	159, 163	oveq12d 7469	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))) = (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽)))))
165	155, 164	ifbieq2d 4512	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 = 𝐽) → if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) = if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))))
166	31, 152, 27, 165	fprodsplit1 46878	. . . 4 ⊢ (𝜑 → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) = (if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · (0↑(𝑃 − (𝐶‘𝐽))))) · ∏𝑗 ∈ ((1...𝑀) ∖ {𝐽})if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))))
167	151, 166	breqtrrd 5139	. . 3 ⊢ (𝜑 → (!‘𝑃) ∥ ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))))
168		dvdsmultr2 16512	. . 3 ⊢ (((!‘𝑃) ∈ ℤ ∧ (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) ∈ ℤ ∧ ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℤ) → ((!‘𝑃) ∥ ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) → (!‘𝑃) ∥ ((((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))))))
169	46, 167, 168	sylc 66	. 2 ⊢ (𝜑 → (!‘𝑃) ∥ ((((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))))
170		etransclem25.n	. . . . . . 7 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
171	170	faccld 14469	. . . . . 6 ⊢ (𝜑 → (!‘𝑁) ∈ ℕ)
172	171	nncnd 12391	. . . . 5 ⊢ (𝜑 → (!‘𝑁) ∈ ℂ)
173	11	ffvelcdmda 7116	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (𝐶‘𝑗) ∈ (0...𝑁))
174	13, 173	sselid 3911	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (𝐶‘𝑗) ∈ ℕ₀)
175	174	faccld 14469	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (!‘(𝐶‘𝑗)) ∈ ℕ)
176	175	nncnd 12391	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (!‘(𝐶‘𝑗)) ∈ ℂ)
177	10, 176	fprodcl 16163	. . . . 5 ⊢ (𝜑 → ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗)) ∈ ℂ)
178	175	nnne0d 12428	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (!‘(𝐶‘𝑗)) ≠ 0)
179	10, 176, 178	fprodn0 16190	. . . . 5 ⊢ (𝜑 → ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗)) ≠ 0)
180	172, 177, 179	divcld 12133	. . . 4 ⊢ (𝜑 → ((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) ∈ ℂ)
181	29	zcnd 12844	. . . 4 ⊢ (𝜑 → if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0))))) ∈ ℂ)
182	31, 152	fprodcl 16163	. . . 4 ⊢ (𝜑 → ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))) ∈ ℂ)
183	180, 181, 182	mulassd 11371	. . 3 ⊢ (𝜑 → ((((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))) = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · (if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗))))))))
184		etransclem25.t	. . 3 ⊢ 𝑇 = (((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · (if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))))
185	183, 184	eqtr4di 2816	. 2 ⊢ (𝜑 → ((((!‘𝑁) / ∏𝑗 ∈ (0...𝑀)(!‘(𝐶‘𝑗))) · if((𝑃 − 1) < (𝐶‘0), 0, (((!‘(𝑃 − 1)) / (!‘((𝑃 − 1) − (𝐶‘0)))) · (𝐽↑((𝑃 − 1) − (𝐶‘0)))))) · ∏𝑗 ∈ (1...𝑀)if(𝑃 < (𝐶‘𝑗), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝑗)))) · ((𝐽 − 𝑗)↑(𝑃 − (𝐶‘𝑗)))))) = 𝑇)
186	169, 185	breqtrd 5137	1 ⊢ (𝜑 → (!‘𝑃) ∥ 𝑇)

Colors of variables: wff setvar class

This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 Vcvv 3454 ⊆ wss 3900 ∖ cdif 4048 ifcif 4485 {csn 4588 class class class wbr 5108 ⟶wf 6562 ‘cfv 6566 (class class class)co 7451 ↑_m cmap 8885 Fincfn 9011 ℂcc 11237 ℝcr 11238 0cc0 11239 1c1 11240 + caddc 11242 · cmul 11244 < clt 11382 ≤ cle 11383 − cmin 11580 / cdiv 12013 ℕcn 12375 ℕ₀cn0 12646 ℤcz 12733 ...cfz 13679 ↑cexp 14244 !cfa 14458 Σcsu 15897 ∏cprod 16116 ∥ cdvds 16466

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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-inf2 9679 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317

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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-sup 9471 df-oi 9541 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-n0 12647 df-z 12734 df-uz 13006 df-rp 13161 df-fz 13680 df-fzo 13829 df-seq 14185 df-exp 14245 df-fac 14459 df-bc 14488 df-hash 14516 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-clim 15699 df-sum 15898 df-prod 16117 df-dvds 16467

This theorem is used by: etransclem28 47545 etransclem38 47555

W3C validator