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Theorem ax5seglem9 28703

Description: Lemma for ax5seg 28704. Take the calculation in ax5seglem8 28702 and turn it into a series of measurements. (Contributed by Scott Fenton, 12-Jun-2013.) (Revised by Mario Carneiro, 22-May-2014.)

**Assertion**
Ref	Expression
ax5seglem9	⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))

Distinct variable groups: 𝐴,𝑖,𝑗 𝐵,𝑖,𝑗 𝐶,𝑖,𝑗 𝐷,𝑖,𝑗 𝑖,𝑁,𝑗 𝑇,𝑖,𝑗

**Proof of Theorem ax5seglem9**
Step	Hyp	Ref	Expression
1		simprll 776	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) → 𝐴 ∈ (𝔼‘𝑁))
2	1	ad2antrr 723	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → 𝐴 ∈ (𝔼‘𝑁))
3		fveecn 28668	. . . . 5 ⊢ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝑗 ∈ (1...𝑁)) → (𝐴‘𝑗) ∈ ℂ)
4	2, 3	sylancom 587	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐴‘𝑗) ∈ ℂ)
5		elicc01 13449	. . . . . . . 8 ⊢ (𝑇 ∈ (0[,]1) ↔ (𝑇 ∈ ℝ ∧ 0 ≤ 𝑇 ∧ 𝑇 ≤ 1))
6	5	simp1bi 1142	. . . . . . 7 ⊢ (𝑇 ∈ (0[,]1) → 𝑇 ∈ ℝ)
7	6	recnd 11246	. . . . . 6 ⊢ (𝑇 ∈ (0[,]1) → 𝑇 ∈ ℂ)
8	7	ad2antrl 725	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → 𝑇 ∈ ℂ)
9	8	adantr 480	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → 𝑇 ∈ ℂ)
10		simprrl 778	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) → 𝐶 ∈ (𝔼‘𝑁))
11	10	ad2antrr 723	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → 𝐶 ∈ (𝔼‘𝑁))
12		fveecn 28668	. . . . 5 ⊢ ((𝐶 ∈ (𝔼‘𝑁) ∧ 𝑗 ∈ (1...𝑁)) → (𝐶‘𝑗) ∈ ℂ)
13	11, 12	sylancom 587	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐶‘𝑗) ∈ ℂ)
14		simprrr 779	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) → 𝐷 ∈ (𝔼‘𝑁))
15	14	ad2antrr 723	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → 𝐷 ∈ (𝔼‘𝑁))
16		fveecn 28668	. . . . 5 ⊢ ((𝐷 ∈ (𝔼‘𝑁) ∧ 𝑗 ∈ (1...𝑁)) → (𝐷‘𝑗) ∈ ℂ)
17	15, 16	sylancom 587	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐷‘𝑗) ∈ ℂ)
18		fveq2 6885	. . . . . . . 8 ⊢ (𝑖 = 𝑗 → (𝐵‘𝑖) = (𝐵‘𝑗))
19		fveq2 6885	. . . . . . . . . 10 ⊢ (𝑖 = 𝑗 → (𝐴‘𝑖) = (𝐴‘𝑗))
20	19	oveq2d 7421	. . . . . . . . 9 ⊢ (𝑖 = 𝑗 → ((1 − 𝑇) · (𝐴‘𝑖)) = ((1 − 𝑇) · (𝐴‘𝑗)))
21		fveq2 6885	. . . . . . . . . 10 ⊢ (𝑖 = 𝑗 → (𝐶‘𝑖) = (𝐶‘𝑗))
22	21	oveq2d 7421	. . . . . . . . 9 ⊢ (𝑖 = 𝑗 → (𝑇 · (𝐶‘𝑖)) = (𝑇 · (𝐶‘𝑗)))
23	20, 22	oveq12d 7423	. . . . . . . 8 ⊢ (𝑖 = 𝑗 → (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))))
24	18, 23	eqeq12d 2742	. . . . . . 7 ⊢ (𝑖 = 𝑗 → ((𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))) ↔ (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗)))))
25	24	rspccva 3605	. . . . . 6 ⊢ ((∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))))
26	25	adantll 711	. . . . 5 ⊢ (((𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖)))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))))
27	26	adantll 711	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))))
28		ax5seglem8 28702	. . . . . 6 ⊢ ((((𝐴‘𝑗) ∈ ℂ ∧ 𝑇 ∈ ℂ) ∧ ((𝐶‘𝑗) ∈ ℂ ∧ (𝐷‘𝑗) ∈ ℂ)) → (𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = ((((((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
29		oveq1 7412	. . . . . . . . 9 ⊢ ((𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) → ((𝐵‘𝑗) − (𝐷‘𝑗)) = ((((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) − (𝐷‘𝑗)))
30	29	oveq1d 7420	. . . . . . . 8 ⊢ ((𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) → (((𝐵‘𝑗) − (𝐷‘𝑗))↑2) = (((((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) − (𝐷‘𝑗))↑2))
31	30	oveq1d 7420	. . . . . . 7 ⊢ ((𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) → ((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))) = ((((((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
32	31	eqcomd 2732	. . . . . 6 ⊢ ((𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) → ((((((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗))) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))) = ((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
33	28, 32	sylan9eq 2786	. . . . 5 ⊢ (((((𝐴‘𝑗) ∈ ℂ ∧ 𝑇 ∈ ℂ) ∧ ((𝐶‘𝑗) ∈ ℂ ∧ (𝐷‘𝑗) ∈ ℂ)) ∧ (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗)))) → (𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = ((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
34	33	3impa 1107	. . . 4 ⊢ ((((𝐴‘𝑗) ∈ ℂ ∧ 𝑇 ∈ ℂ) ∧ ((𝐶‘𝑗) ∈ ℂ ∧ (𝐷‘𝑗) ∈ ℂ) ∧ (𝐵‘𝑗) = (((1 − 𝑇) · (𝐴‘𝑗)) + (𝑇 · (𝐶‘𝑗)))) → (𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = ((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
35	4, 9, 13, 17, 27, 34	syl221anc 1378	. . 3 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = ((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
36	35	sumeq2dv 15655	. 2 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → Σ𝑗 ∈ (1...𝑁)(𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = Σ𝑗 ∈ (1...𝑁)((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
37		fzfid 13944	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (1...𝑁) ∈ Fin)
38	13, 17	subcld 11575	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((𝐶‘𝑗) − (𝐷‘𝑗)) ∈ ℂ)
39	38	sqcld 14114	. . 3 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (((𝐶‘𝑗) − (𝐷‘𝑗))↑2) ∈ ℂ)
40	37, 8, 39	fsummulc2 15736	. 2 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = Σ𝑗 ∈ (1...𝑁)(𝑇 · (((𝐶‘𝑗) − (𝐷‘𝑗))↑2)))
41	4, 13	subcld 11575	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((𝐴‘𝑗) − (𝐶‘𝑗)) ∈ ℂ)
42	41	sqcld 14114	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (((𝐴‘𝑗) − (𝐶‘𝑗))↑2) ∈ ℂ)
43	37, 8, 42	fsummulc2 15736	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) = Σ𝑗 ∈ (1...𝑁)(𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)))
44	43	oveq1d 7420	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)) = (Σ𝑗 ∈ (1...𝑁)(𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))
45	9, 42	mulcld 11238	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) ∈ ℂ)
46	4, 17	subcld 11575	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((𝐴‘𝑗) − (𝐷‘𝑗)) ∈ ℂ)
47	46	sqcld 14114	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (((𝐴‘𝑗) − (𝐷‘𝑗))↑2) ∈ ℂ)
48	37, 45, 47	fsumsub 15740	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → Σ𝑗 ∈ (1...𝑁)((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)) = (Σ𝑗 ∈ (1...𝑁)(𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))
49	44, 48	eqtr4d 2769	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)) = Σ𝑗 ∈ (1...𝑁)((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))
50	49	oveq2d 7421	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2))) = ((1 − 𝑇) · Σ𝑗 ∈ (1...𝑁)((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2))))
51		ax-1cn 11170	. . . . . . 7 ⊢ 1 ∈ ℂ
52		subcl 11463	. . . . . . 7 ⊢ ((1 ∈ ℂ ∧ 𝑇 ∈ ℂ) → (1 − 𝑇) ∈ ℂ)
53	51, 8, 52	sylancr 586	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (1 − 𝑇) ∈ ℂ)
54	45, 47	subcld 11575	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)) ∈ ℂ)
55	37, 53, 54	fsummulc2 15736	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → ((1 − 𝑇) · Σ𝑗 ∈ (1...𝑁)((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2))) = Σ𝑗 ∈ (1...𝑁)((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2))))
56	50, 55	eqtrd 2766	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2))) = Σ𝑗 ∈ (1...𝑁)((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2))))
57	56	oveq2d 7421	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))) = (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + Σ𝑗 ∈ (1...𝑁)((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
58		simprlr 777	. . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) → 𝐵 ∈ (𝔼‘𝑁))
59	58	ad2antrr 723	. . . . . . 7 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → 𝐵 ∈ (𝔼‘𝑁))
60		fveecn 28668	. . . . . . 7 ⊢ ((𝐵 ∈ (𝔼‘𝑁) ∧ 𝑗 ∈ (1...𝑁)) → (𝐵‘𝑗) ∈ ℂ)
61	59, 60	sylancom 587	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (𝐵‘𝑗) ∈ ℂ)
62	61, 17	subcld 11575	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((𝐵‘𝑗) − (𝐷‘𝑗)) ∈ ℂ)
63	62	sqcld 14114	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (((𝐵‘𝑗) − (𝐷‘𝑗))↑2) ∈ ℂ)
64	51, 9, 52	sylancr 586	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → (1 − 𝑇) ∈ ℂ)
65	64, 54	mulcld 11238	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) ∧ 𝑗 ∈ (1...𝑁)) → ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2))) ∈ ℂ)
66	37, 63, 65	fsumadd 15692	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → Σ𝑗 ∈ (1...𝑁)((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))) = (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + Σ𝑗 ∈ (1...𝑁)((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
67	57, 66	eqtr4d 2769	. 2 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))) = Σ𝑗 ∈ (1...𝑁)((((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · (((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − (((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))
68	36, 40, 67	3eqtr4d 2776	1 ⊢ (((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)))) ∧ (𝑇 ∈ (0[,]1) ∧ ∀𝑖 ∈ (1...𝑁)(𝐵‘𝑖) = (((1 − 𝑇) · (𝐴‘𝑖)) + (𝑇 · (𝐶‘𝑖))))) → (𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐶‘𝑗) − (𝐷‘𝑗))↑2)) = (Σ𝑗 ∈ (1...𝑁)(((𝐵‘𝑗) − (𝐷‘𝑗))↑2) + ((1 − 𝑇) · ((𝑇 · Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐶‘𝑗))↑2)) − Σ𝑗 ∈ (1...𝑁)(((𝐴‘𝑗) − (𝐷‘𝑗))↑2)))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ∀wral 3055 class class class wbr 5141 ‘cfv 6537 (class class class)co 7405 ℂcc 11110 ℝcr 11111 0cc0 11112 1c1 11113 + caddc 11115 · cmul 11117 ≤ cle 11253 − cmin 11448 ℕcn 12216 2c2 12271 [,]cicc 13333 ...cfz 13490 ↑cexp 14032 Σcsu 15638 𝔼cee 28654

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 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 ax-inf2 9638 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 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 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-int 4944 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-se 5625 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6294 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7853 df-1st 7974 df-2nd 7975 df-frecs 8267 df-wrecs 8298 df-recs 8372 df-rdg 8411 df-1o 8467 df-er 8705 df-map 8824 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-sup 9439 df-oi 9507 df-card 9936 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-z 12563 df-uz 12827 df-rp 12981 df-icc 13337 df-fz 13491 df-fzo 13634 df-seq 13973 df-exp 14033 df-hash 14296 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-clim 15438 df-sum 15639 df-ee 28657

This theorem is referenced by: ax5seg 28704

W3C validator