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Theorem divalglem8 16596

Description: Lemma for divalg 16599. (Contributed by Paul Chapman, 21-Mar-2011.)

**Hypotheses**
Ref	Expression
divalglem8.1	⊢ 𝑁 ∈ ℤ
divalglem8.2	⊢ 𝐷 ∈ ℤ
divalglem8.3	⊢ 𝐷 ≠ 0
divalglem8.4	⊢ 𝑆 = {𝑟 ∈ ℕ₀ ∣ 𝐷 ∥ (𝑁 − 𝑟)}

**Assertion**
Ref	Expression
divalglem8	⊢ (((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) ∧ (𝑋 < (abs‘𝐷) ∧ 𝑌 < (abs‘𝐷))) → (𝐾 ∈ ℤ → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → 𝑋 = 𝑌)))

Distinct variable groups: 𝐷,𝑟 𝑁,𝑟 Allowed substitution hints: 𝑆(𝑟) 𝐾(𝑟) 𝑋(𝑟) 𝑌(𝑟)

Proof of Theorem divalglem8 Dummy variable 𝑧 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		divalglem8.4	. . . . . . . . . . . . 13 ⊢ 𝑆 = {𝑟 ∈ ℕ₀ ∣ 𝐷 ∥ (𝑁 − 𝑟)}
2	1	ssrab3 4010	. . . . . . . . . . . 12 ⊢ 𝑆 ⊆ ℕ₀
3		nn0sscn 12635	. . . . . . . . . . . 12 ⊢ ℕ₀ ⊆ ℂ
4	2, 3	sstri 3922	. . . . . . . . . . 11 ⊢ 𝑆 ⊆ ℂ
5	4	sseli 3909	. . . . . . . . . 10 ⊢ (𝑌 ∈ 𝑆 → 𝑌 ∈ ℂ)
6	4	sseli 3909	. . . . . . . . . 10 ⊢ (𝑋 ∈ 𝑆 → 𝑋 ∈ ℂ)
7		divalglem8.2	. . . . . . . . . . . . . 14 ⊢ 𝐷 ∈ ℤ
8		divalglem8.3	. . . . . . . . . . . . . 14 ⊢ 𝐷 ≠ 0
9		nnabscl 15519	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ ℤ ∧ 𝐷 ≠ 0) → (abs‘𝐷) ∈ ℕ)
10	7, 8, 9	mp2an 705	. . . . . . . . . . . . 13 ⊢ (abs‘𝐷) ∈ ℕ
11	10	nnzi 12744	. . . . . . . . . . . 12 ⊢ (abs‘𝐷) ∈ ℤ
12		zmulcl 12769	. . . . . . . . . . . 12 ⊢ ((𝐾 ∈ ℤ ∧ (abs‘𝐷) ∈ ℤ) → (𝐾 · (abs‘𝐷)) ∈ ℤ)
13	11, 12	mpan2 704	. . . . . . . . . . 11 ⊢ (𝐾 ∈ ℤ → (𝐾 · (abs‘𝐷)) ∈ ℤ)
14	13	zcnd 12828	. . . . . . . . . 10 ⊢ (𝐾 ∈ ℤ → (𝐾 · (abs‘𝐷)) ∈ ℂ)
15		subadd 11584	. . . . . . . . . 10 ⊢ ((𝑌 ∈ ℂ ∧ 𝑋 ∈ ℂ ∧ (𝐾 · (abs‘𝐷)) ∈ ℂ) → ((𝑌 − 𝑋) = (𝐾 · (abs‘𝐷)) ↔ (𝑋 + (𝐾 · (abs‘𝐷))) = 𝑌))
16	5, 6, 14, 15	syl3an 1178	. . . . . . . . 9 ⊢ ((𝑌 ∈ 𝑆 ∧ 𝑋 ∈ 𝑆 ∧ 𝐾 ∈ ℤ) → ((𝑌 − 𝑋) = (𝐾 · (abs‘𝐷)) ↔ (𝑋 + (𝐾 · (abs‘𝐷))) = 𝑌))
17	16	3com12 1141	. . . . . . . 8 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆 ∧ 𝐾 ∈ ℤ) → ((𝑌 − 𝑋) = (𝐾 · (abs‘𝐷)) ↔ (𝑋 + (𝐾 · (abs‘𝐷))) = 𝑌))
18		eqcom 2770	. . . . . . . 8 ⊢ ((𝑌 − 𝑋) = (𝐾 · (abs‘𝐷)) ↔ (𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋))
19		eqcom 2770	. . . . . . . 8 ⊢ ((𝑋 + (𝐾 · (abs‘𝐷))) = 𝑌 ↔ 𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))))
20	17, 18, 19	3bitr3g 316	. . . . . . 7 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆 ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ↔ 𝑌 = (𝑋 + (𝐾 · (abs‘𝐷)))))
21	20	3adant1r 1196	. . . . . 6 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ 𝑌 ∈ 𝑆 ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ↔ 𝑌 = (𝑋 + (𝐾 · (abs‘𝐷)))))
22	21	3adant2r 1198	. . . . 5 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ↔ 𝑌 = (𝑋 + (𝐾 · (abs‘𝐷)))))
23		breq1 5109	. . . . . . . . . . . 12 ⊢ (𝑧 = 𝑌 → (𝑧 < (abs‘𝐷) ↔ 𝑌 < (abs‘𝐷)))
24		eleq1 2852	. . . . . . . . . . . 12 ⊢ (𝑧 = 𝑌 → (𝑧 ∈ (0...((abs‘𝐷) − 1)) ↔ 𝑌 ∈ (0...((abs‘𝐷) − 1))))
25	23, 24	imbi12d 347	. . . . . . . . . . 11 ⊢ (𝑧 = 𝑌 → ((𝑧 < (abs‘𝐷) → 𝑧 ∈ (0...((abs‘𝐷) − 1))) ↔ (𝑌 < (abs‘𝐷) → 𝑌 ∈ (0...((abs‘𝐷) − 1)))))
26	2	sseli 3909	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ 𝑆 → 𝑧 ∈ ℕ₀)
27		elnn0z 12730	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ ℕ₀ ↔ (𝑧 ∈ ℤ ∧ 0 ≤ 𝑧))
28	26, 27	sylib 221	. . . . . . . . . . . . . . 15 ⊢ (𝑧 ∈ 𝑆 → (𝑧 ∈ ℤ ∧ 0 ≤ 𝑧))
29	28	anim1i 627	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ 𝑆 ∧ 𝑧 < (abs‘𝐷)) → ((𝑧 ∈ ℤ ∧ 0 ≤ 𝑧) ∧ 𝑧 < (abs‘𝐷)))
30		df-3an 1105	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ ℤ ∧ 0 ≤ 𝑧 ∧ 𝑧 < (abs‘𝐷)) ↔ ((𝑧 ∈ ℤ ∧ 0 ≤ 𝑧) ∧ 𝑧 < (abs‘𝐷)))
31	29, 30	sylibr 237	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∈ 𝑆 ∧ 𝑧 < (abs‘𝐷)) → (𝑧 ∈ ℤ ∧ 0 ≤ 𝑧 ∧ 𝑧 < (abs‘𝐷)))
32		0z 12728	. . . . . . . . . . . . . 14 ⊢ 0 ∈ ℤ
33		elfzm11 13753	. . . . . . . . . . . . . 14 ⊢ ((0 ∈ ℤ ∧ (abs‘𝐷) ∈ ℤ) → (𝑧 ∈ (0...((abs‘𝐷) − 1)) ↔ (𝑧 ∈ ℤ ∧ 0 ≤ 𝑧 ∧ 𝑧 < (abs‘𝐷))))
34	32, 11, 33	mp2an 705	. . . . . . . . . . . . 13 ⊢ (𝑧 ∈ (0...((abs‘𝐷) − 1)) ↔ (𝑧 ∈ ℤ ∧ 0 ≤ 𝑧 ∧ 𝑧 < (abs‘𝐷)))
35	31, 34	sylibr 237	. . . . . . . . . . . 12 ⊢ ((𝑧 ∈ 𝑆 ∧ 𝑧 < (abs‘𝐷)) → 𝑧 ∈ (0...((abs‘𝐷) − 1)))
36	35	ex 418	. . . . . . . . . . 11 ⊢ (𝑧 ∈ 𝑆 → (𝑧 < (abs‘𝐷) → 𝑧 ∈ (0...((abs‘𝐷) − 1))))
37	25, 36	vtoclga 3540	. . . . . . . . . 10 ⊢ (𝑌 ∈ 𝑆 → (𝑌 < (abs‘𝐷) → 𝑌 ∈ (0...((abs‘𝐷) − 1))))
38		eleq1 2852	. . . . . . . . . . 11 ⊢ (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → (𝑌 ∈ (0...((abs‘𝐷) − 1)) ↔ (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
39	38	biimpd 232	. . . . . . . . . 10 ⊢ (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → (𝑌 ∈ (0...((abs‘𝐷) − 1)) → (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
40	37, 39	sylan9 517	. . . . . . . . 9 ⊢ ((𝑌 ∈ 𝑆 ∧ 𝑌 = (𝑋 + (𝐾 · (abs‘𝐷)))) → (𝑌 < (abs‘𝐷) → (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
41	40	impancom 457	. . . . . . . 8 ⊢ ((𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) → (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
42	41	3ad2ant2 1152	. . . . . . 7 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
43		breq1 5109	. . . . . . . . . . . . 13 ⊢ (𝑧 = 𝑋 → (𝑧 < (abs‘𝐷) ↔ 𝑋 < (abs‘𝐷)))
44		eleq1 2852	. . . . . . . . . . . . 13 ⊢ (𝑧 = 𝑋 → (𝑧 ∈ (0...((abs‘𝐷) − 1)) ↔ 𝑋 ∈ (0...((abs‘𝐷) − 1))))
45	43, 44	imbi12d 347	. . . . . . . . . . . 12 ⊢ (𝑧 = 𝑋 → ((𝑧 < (abs‘𝐷) → 𝑧 ∈ (0...((abs‘𝐷) − 1))) ↔ (𝑋 < (abs‘𝐷) → 𝑋 ∈ (0...((abs‘𝐷) − 1)))))
46	45, 36	vtoclga 3540	. . . . . . . . . . 11 ⊢ (𝑋 ∈ 𝑆 → (𝑋 < (abs‘𝐷) → 𝑋 ∈ (0...((abs‘𝐷) − 1))))
47	46	imp 412	. . . . . . . . . 10 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) → 𝑋 ∈ (0...((abs‘𝐷) − 1)))
48	7, 8	divalglem7 16595	. . . . . . . . . 10 ⊢ ((𝑋 ∈ (0...((abs‘𝐷) − 1)) ∧ 𝐾 ∈ ℤ) → (𝐾 ≠ 0 → ¬ (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
49	47, 48	sylan 592	. . . . . . . . 9 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (𝐾 ≠ 0 → ¬ (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
50	49	3adant2 1149	. . . . . . . 8 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (𝐾 ≠ 0 → ¬ (𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1))))
51	50	con2d 135	. . . . . . 7 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → ((𝑋 + (𝐾 · (abs‘𝐷))) ∈ (0...((abs‘𝐷) − 1)) → ¬ 𝐾 ≠ 0))
52	42, 51	syld 48	. . . . . 6 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → ¬ 𝐾 ≠ 0))
53		df-ne 2960	. . . . . . 7 ⊢ (𝐾 ≠ 0 ↔ ¬ 𝐾 = 0)
54	53	con2bii 360	. . . . . 6 ⊢ (𝐾 = 0 ↔ ¬ 𝐾 ≠ 0)
55	52, 54	imbitrrdi 255	. . . . 5 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (𝑌 = (𝑋 + (𝐾 · (abs‘𝐷))) → 𝐾 = 0))
56	22, 55	sylbid 243	. . . 4 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → 𝐾 = 0))
57		oveq1 7447	. . . . . . . . . . 11 ⊢ (𝐾 = 0 → (𝐾 · (abs‘𝐷)) = (0 · (abs‘𝐷)))
58	10	nncni 12369	. . . . . . . . . . . 12 ⊢ (abs‘𝐷) ∈ ℂ
59	58	mul02i 11523	. . . . . . . . . . 11 ⊢ (0 · (abs‘𝐷)) = 0
60	57, 59	eqtrdi 2814	. . . . . . . . . 10 ⊢ (𝐾 = 0 → (𝐾 · (abs‘𝐷)) = 0)
61	60	eqeq1d 2765	. . . . . . . . 9 ⊢ (𝐾 = 0 → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ↔ 0 = (𝑌 − 𝑋)))
62	61	biimpac 484	. . . . . . . 8 ⊢ (((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ∧ 𝐾 = 0) → 0 = (𝑌 − 𝑋))
63		subeq0 11608	. . . . . . . . . 10 ⊢ ((𝑌 ∈ ℂ ∧ 𝑋 ∈ ℂ) → ((𝑌 − 𝑋) = 0 ↔ 𝑌 = 𝑋))
64	5, 6, 63	syl2anr 609	. . . . . . . . 9 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) → ((𝑌 − 𝑋) = 0 ↔ 𝑌 = 𝑋))
65		eqcom 2770	. . . . . . . . 9 ⊢ ((𝑌 − 𝑋) = 0 ↔ 0 = (𝑌 − 𝑋))
66		eqcom 2770	. . . . . . . . 9 ⊢ (𝑌 = 𝑋 ↔ 𝑋 = 𝑌)
67	64, 65, 66	3bitr3g 316	. . . . . . . 8 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) → (0 = (𝑌 − 𝑋) ↔ 𝑋 = 𝑌))
68	62, 67	imbitrid 247	. . . . . . 7 ⊢ ((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) → (((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ∧ 𝐾 = 0) → 𝑋 = 𝑌))
69	68	ad2ant2r 760	. . . . . 6 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷))) → (((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ∧ 𝐾 = 0) → 𝑋 = 𝑌))
70	69	3adant3 1150	. . . . 5 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → (((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) ∧ 𝐾 = 0) → 𝑋 = 𝑌))
71	70	expd 421	. . . 4 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → (𝐾 = 0 → 𝑋 = 𝑌)))
72	56, 71	mpdd 44	. . 3 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷)) ∧ 𝐾 ∈ ℤ) → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → 𝑋 = 𝑌))
73	72	3expia 1139	. 2 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑋 < (abs‘𝐷)) ∧ (𝑌 ∈ 𝑆 ∧ 𝑌 < (abs‘𝐷))) → (𝐾 ∈ ℤ → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → 𝑋 = 𝑌)))
74	73	an4s 673	1 ⊢ (((𝑋 ∈ 𝑆 ∧ 𝑌 ∈ 𝑆) ∧ (𝑋 < (abs‘𝐷) ∧ 𝑌 < (abs‘𝐷))) → (𝐾 ∈ ℤ → ((𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋) → 𝑋 = 𝑌)))

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 {crab 3416 class class class wbr 5106 ‘cfv 6555 (class class class)co 7440 ℂcc 11222 0cc0 11224 1c1 11225 + caddc 11227 · cmul 11229 < clt 11367 ≤ cle 11368 − cmin 11565 ℕcn 12359 ℕ₀cn0 12630 ℤcz 12717 ...cfz 13663 abscabs 15427 ∥ cdvds 16448

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-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-cnex 11280 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 ax-pre-sup 11302

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 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-om 7899 df-1st 8022 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-sup 9458 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-div 11998 df-nn 12360 df-2 12429 df-3 12430 df-n0 12631 df-z 12718 df-uz 12990 df-rp 13145 df-fz 13664 df-seq 14169 df-exp 14229 df-cj 15292 df-re 15293 df-im 15294 df-sqrt 15428 df-abs 15429

This theorem is used by: divalglem9 16597

W3C validator