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Theorem srgbinomlem 20177

Description: Lemma for srgbinom 20178. Inductive step, analogous to binomlem 15764. (Contributed by AV, 24-Aug-2019.)

**Hypotheses**
Ref	Expression
srgbinom.s	⊢ 𝑆 = (Base‘𝑅)
srgbinom.m	⊢ × = (._r‘𝑅)
srgbinom.t	⊢ · = (._g‘𝑅)
srgbinom.a	⊢ + = (+_g‘𝑅)
srgbinom.g	⊢ 𝐺 = (mulGrp‘𝑅)
srgbinom.e	⊢ ↑ = (._g‘𝐺)
srgbinomlem.r	⊢ (𝜑 → 𝑅 ∈ SRing)
srgbinomlem.a	⊢ (𝜑 → 𝐴 ∈ 𝑆)
srgbinomlem.b	⊢ (𝜑 → 𝐵 ∈ 𝑆)
srgbinomlem.c	⊢ (𝜑 → (𝐴 × 𝐵) = (𝐵 × 𝐴))
srgbinomlem.n	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
srgbinomlem.i	⊢ (𝜓 → (𝑁 ↑ (𝐴 + 𝐵)) = (𝑅 Σ_g (𝑘 ∈ (0...𝑁) ↦ ((𝑁C𝑘) · (((𝑁 − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))

**Assertion**
Ref	Expression
srgbinomlem	⊢ ((𝜑 ∧ 𝜓) → ((𝑁 + 1) ↑ (𝐴 + 𝐵)) = (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))

Distinct variable groups: 𝐴,𝑘 𝐵,𝑘 𝑘,𝑁 𝑅,𝑘 𝑆,𝑘 · ,𝑘 × ,𝑘 ↑ ,𝑘 𝜑,𝑘 + ,𝑘 Allowed substitution hints: 𝜓(𝑘) 𝐺(𝑘)

**Proof of Theorem srgbinomlem**
Step	Hyp	Ref	Expression
1		srgbinom.s	. . . 4 ⊢ 𝑆 = (Base‘𝑅)
2		srgbinom.m	. . . 4 ⊢ × = (._r‘𝑅)
3		srgbinom.t	. . . 4 ⊢ · = (._g‘𝑅)
4		srgbinom.a	. . . 4 ⊢ + = (+_g‘𝑅)
5		srgbinom.g	. . . 4 ⊢ 𝐺 = (mulGrp‘𝑅)
6		srgbinom.e	. . . 4 ⊢ ↑ = (._g‘𝐺)
7		srgbinomlem.r	. . . 4 ⊢ (𝜑 → 𝑅 ∈ SRing)
8		srgbinomlem.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑆)
9		srgbinomlem.b	. . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑆)
10		srgbinomlem.c	. . . 4 ⊢ (𝜑 → (𝐴 × 𝐵) = (𝐵 × 𝐴))
11		srgbinomlem.n	. . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
12		srgbinomlem.i	. . . 4 ⊢ (𝜓 → (𝑁 ↑ (𝐴 + 𝐵)) = (𝑅 Σ_g (𝑘 ∈ (0...𝑁) ↦ ((𝑁C𝑘) · (((𝑁 − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))
13	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12	srgbinomlem3 20175	. . 3 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐴) = (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))
14	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12	srgbinomlem4 20176	. . 3 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐵) = (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))
15	13, 14	oveq12d 7386	. 2 ⊢ ((𝜑 ∧ 𝜓) → (((𝑁 ↑ (𝐴 + 𝐵)) × 𝐴) + ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐵)) = ((𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) + (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))))
16	5	srgmgp 20138	. . . . . . 7 ⊢ (𝑅 ∈ SRing → 𝐺 ∈ Mnd)
17	7, 16	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ Mnd)
18		srgmnd 20137	. . . . . . . 8 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ Mnd)
19	7, 18	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝑅 ∈ Mnd)
20	1, 4	mndcl 18679	. . . . . . 7 ⊢ ((𝑅 ∈ Mnd ∧ 𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) → (𝐴 + 𝐵) ∈ 𝑆)
21	19, 8, 9, 20	syl3anc 1374	. . . . . 6 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ 𝑆)
22	17, 11, 21	3jca 1129	. . . . 5 ⊢ (𝜑 → (𝐺 ∈ Mnd ∧ 𝑁 ∈ ℕ₀ ∧ (𝐴 + 𝐵) ∈ 𝑆))
23	22	adantr 480	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → (𝐺 ∈ Mnd ∧ 𝑁 ∈ ℕ₀ ∧ (𝐴 + 𝐵) ∈ 𝑆))
24	5, 1	mgpbas 20092	. . . . 5 ⊢ 𝑆 = (Base‘𝐺)
25	5, 2	mgpplusg 20091	. . . . 5 ⊢ × = (+_g‘𝐺)
26	24, 6, 25	mulgnn0p1 19027	. . . 4 ⊢ ((𝐺 ∈ Mnd ∧ 𝑁 ∈ ℕ₀ ∧ (𝐴 + 𝐵) ∈ 𝑆) → ((𝑁 + 1) ↑ (𝐴 + 𝐵)) = ((𝑁 ↑ (𝐴 + 𝐵)) × (𝐴 + 𝐵)))
27	23, 26	syl 17	. . 3 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 + 1) ↑ (𝐴 + 𝐵)) = ((𝑁 ↑ (𝐴 + 𝐵)) × (𝐴 + 𝐵)))
28	24, 6, 17, 11, 21	mulgnn0cld 19037	. . . . . . 7 ⊢ (𝜑 → (𝑁 ↑ (𝐴 + 𝐵)) ∈ 𝑆)
29	28, 8, 9	3jca 1129	. . . . . 6 ⊢ (𝜑 → ((𝑁 ↑ (𝐴 + 𝐵)) ∈ 𝑆 ∧ 𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆))
30	7, 29	jca 511	. . . . 5 ⊢ (𝜑 → (𝑅 ∈ SRing ∧ ((𝑁 ↑ (𝐴 + 𝐵)) ∈ 𝑆 ∧ 𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆)))
31	30	adantr 480	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → (𝑅 ∈ SRing ∧ ((𝑁 ↑ (𝐴 + 𝐵)) ∈ 𝑆 ∧ 𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆)))
32	1, 4, 2	srgdi 20144	. . . 4 ⊢ ((𝑅 ∈ SRing ∧ ((𝑁 ↑ (𝐴 + 𝐵)) ∈ 𝑆 ∧ 𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆)) → ((𝑁 ↑ (𝐴 + 𝐵)) × (𝐴 + 𝐵)) = (((𝑁 ↑ (𝐴 + 𝐵)) × 𝐴) + ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐵)))
33	31, 32	syl 17	. . 3 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 ↑ (𝐴 + 𝐵)) × (𝐴 + 𝐵)) = (((𝑁 ↑ (𝐴 + 𝐵)) × 𝐴) + ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐵)))
34	27, 33	eqtrd 2772	. 2 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 + 1) ↑ (𝐴 + 𝐵)) = (((𝑁 ↑ (𝐴 + 𝐵)) × 𝐴) + ((𝑁 ↑ (𝐴 + 𝐵)) × 𝐵)))
35		elfzelz 13452	. . . . . . . . 9 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) → 𝑘 ∈ ℤ)
36		bcpasc 14256	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℕ₀ ∧ 𝑘 ∈ ℤ) → ((𝑁C𝑘) + (𝑁C(𝑘 − 1))) = ((𝑁 + 1)C𝑘))
37	11, 35, 36	syl2an 597	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → ((𝑁C𝑘) + (𝑁C(𝑘 − 1))) = ((𝑁 + 1)C𝑘))
38	37	oveq1d 7383	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (((𝑁C𝑘) + (𝑁C(𝑘 − 1))) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) = (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))
39	19	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝑅 ∈ Mnd)
40		bccl 14257	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℕ₀ ∧ 𝑘 ∈ ℤ) → (𝑁C𝑘) ∈ ℕ₀)
41	11, 35, 40	syl2an 597	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (𝑁C𝑘) ∈ ℕ₀)
42	35	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝑘 ∈ ℤ)
43		peano2zm 12546	. . . . . . . . . 10 ⊢ (𝑘 ∈ ℤ → (𝑘 − 1) ∈ ℤ)
44	42, 43	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (𝑘 − 1) ∈ ℤ)
45		bccl 14257	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℕ₀ ∧ (𝑘 − 1) ∈ ℤ) → (𝑁C(𝑘 − 1)) ∈ ℕ₀)
46	11, 44, 45	syl2an2r 686	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (𝑁C(𝑘 − 1)) ∈ ℕ₀)
47	7	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝑅 ∈ SRing)
48	17	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝐺 ∈ Mnd)
49		fznn0sub 13484	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) → ((𝑁 + 1) − 𝑘) ∈ ℕ₀)
50	49	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → ((𝑁 + 1) − 𝑘) ∈ ℕ₀)
51	8	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝐴 ∈ 𝑆)
52	24, 6, 48, 50, 51	mulgnn0cld 19037	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (((𝑁 + 1) − 𝑘) ↑ 𝐴) ∈ 𝑆)
53		elfznn0 13548	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) → 𝑘 ∈ ℕ₀)
54	53	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝑘 ∈ ℕ₀)
55	9	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → 𝐵 ∈ 𝑆)
56	24, 6, 48, 54, 55	mulgnn0cld 19037	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (𝑘 ↑ 𝐵) ∈ 𝑆)
57	1, 2	srgcl 20140	. . . . . . . . 9 ⊢ ((𝑅 ∈ SRing ∧ (((𝑁 + 1) − 𝑘) ↑ 𝐴) ∈ 𝑆 ∧ (𝑘 ↑ 𝐵) ∈ 𝑆) → ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)) ∈ 𝑆)
58	47, 52, 56, 57	syl3anc 1374	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)) ∈ 𝑆)
59	1, 3, 4	mulgnn0dir 19046	. . . . . . . 8 ⊢ ((𝑅 ∈ Mnd ∧ ((𝑁C𝑘) ∈ ℕ₀ ∧ (𝑁C(𝑘 − 1)) ∈ ℕ₀ ∧ ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)) ∈ 𝑆)) → (((𝑁C𝑘) + (𝑁C(𝑘 − 1))) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) = (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))
60	39, 41, 46, 58, 59	syl13anc 1375	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (((𝑁C𝑘) + (𝑁C(𝑘 − 1))) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) = (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))
61	38, 60	eqtr3d 2774	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) = (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))
62	61	mpteq2dva 5193	. . . . 5 ⊢ (𝜑 → (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))) = (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))
63	62	oveq2d 7384	. . . 4 ⊢ (𝜑 → (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) = (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))))
64		srgcmn 20136	. . . . . 6 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd)
65	7, 64	syl 17	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ CMnd)
66		fzfid 13908	. . . . 5 ⊢ (𝜑 → (0...(𝑁 + 1)) ∈ Fin)
67	1, 3, 39, 41, 58	mulgnn0cld 19037	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) ∈ 𝑆)
68	35, 43	syl 17	. . . . . . 7 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) → (𝑘 − 1) ∈ ℤ)
69	11, 68, 45	syl2an 597	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → (𝑁C(𝑘 − 1)) ∈ ℕ₀)
70	1, 3, 39, 69, 58	mulgnn0cld 19037	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...(𝑁 + 1))) → ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) ∈ 𝑆)
71		eqid 2737	. . . . 5 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))) = (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))
72		eqid 2737	. . . . 5 ⊢ (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))) = (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))
73	1, 4, 65, 66, 67, 70, 71, 72	gsummptfidmadd 19866	. . . 4 ⊢ (𝜑 → (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))) + ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))) = ((𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) + (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))))
74	63, 73	eqtrd 2772	. . 3 ⊢ (𝜑 → (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) = ((𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) + (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))))
75	74	adantr 480	. 2 ⊢ ((𝜑 ∧ 𝜓) → (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) = ((𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))) + (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ ((𝑁C(𝑘 − 1)) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵)))))))
76	15, 34, 75	3eqtr4d 2782	1 ⊢ ((𝜑 ∧ 𝜓) → ((𝑁 + 1) ↑ (𝐴 + 𝐵)) = (𝑅 Σ_g (𝑘 ∈ (0...(𝑁 + 1)) ↦ (((𝑁 + 1)C𝑘) · ((((𝑁 + 1) − 𝑘) ↑ 𝐴) × (𝑘 ↑ 𝐵))))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ↦ cmpt 5181 ‘cfv 6500 (class class class)co 7368 0cc0 11038 1c1 11039 + caddc 11041 − cmin 11376 ℕ₀cn0 12413 ℤcz 12500 ...cfz 13435 Ccbc 14237 Basecbs 17148 +_gcplusg 17189 ._rcmulr 17190 Σ_g cgsu 17372 Mndcmnd 18671 ._gcmg 19009 CMndccmn 19721 mulGrpcmgp 20087 SRingcsrg 20133

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-iin 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-se 5586 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-isom 6509 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-of 7632 df-om 7819 df-1st 7943 df-2nd 7944 df-supp 8113 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-2o 8408 df-er 8645 df-map 8777 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9277 df-oi 9427 df-card 9863 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-n0 12414 df-z 12501 df-uz 12764 df-rp 12918 df-fz 13436 df-fzo 13583 df-seq 13937 df-fac 14209 df-bc 14238 df-hash 14266 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-0g 17373 df-gsum 17374 df-mre 17517 df-mrc 17518 df-acs 17520 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-mhm 18720 df-submnd 18721 df-mulg 19010 df-cntz 19258 df-cmn 19723 df-mgp 20088 df-ur 20129 df-srg 20134

This theorem is referenced by: srgbinom 20178

W3C validator