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Theorem divalglem8 16537

Description: Lemma for divalg 16540. (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 4029	. . . . . . . . . . . 12 ⊢ 𝑆 ⊆ ℕ₀
3		nn0sscn 12580	. . . . . . . . . . . 12 ⊢ ℕ₀ ⊆ ℂ
4	2, 3	sstri 3939	. . . . . . . . . . 11 ⊢ 𝑆 ⊆ ℂ
5	4	sseli 3926	. . . . . . . . . 10 ⊢ (𝑌 ∈ 𝑆 → 𝑌 ∈ ℂ)
6	4	sseli 3926	. . . . . . . . . 10 ⊢ (𝑋 ∈ 𝑆 → 𝑋 ∈ ℂ)
7		divalglem8.2	. . . . . . . . . . . . . 14 ⊢ 𝐷 ∈ ℤ
8		divalglem8.3	. . . . . . . . . . . . . 14 ⊢ 𝐷 ≠ 0
9		nnabscl 15460	. . . . . . . . . . . . . 14 ⊢ ((𝐷 ∈ ℤ ∧ 𝐷 ≠ 0) → (abs‘𝐷) ∈ ℕ)
10	7, 8, 9	mp2an 705	. . . . . . . . . . . . 13 ⊢ (abs‘𝐷) ∈ ℕ
11	10	nnzi 12689	. . . . . . . . . . . 12 ⊢ (abs‘𝐷) ∈ ℤ
12		zmulcl 12714	. . . . . . . . . . . 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 12773	. . . . . . . . . 10 ⊢ (𝐾 ∈ ℤ → (𝐾 · (abs‘𝐷)) ∈ ℂ)
15		subadd 11531	. . . . . . . . . 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 2767	. . . . . . . 8 ⊢ ((𝑌 − 𝑋) = (𝐾 · (abs‘𝐷)) ↔ (𝐾 · (abs‘𝐷)) = (𝑌 − 𝑋))
19		eqcom 2767	. . . . . . . 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 5105	. . . . . . . . . . . 12 ⊢ (𝑧 = 𝑌 → (𝑧 < (abs‘𝐷) ↔ 𝑌 < (abs‘𝐷)))
24		eleq1 2848	. . . . . . . . . . . 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 3926	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ 𝑆 → 𝑧 ∈ ℕ₀)
27		elnn0z 12675	. . . . . . . . . . . . . . . 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 12673	. . . . . . . . . . . . . 14 ⊢ 0 ∈ ℤ
33		elfzm11 13697	. . . . . . . . . . . . . 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 3536	. . . . . . . . . 10 ⊢ (𝑌 ∈ 𝑆 → (𝑌 < (abs‘𝐷) → 𝑌 ∈ (0...((abs‘𝐷) − 1))))
38		eleq1 2848	. . . . . . . . . . 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 5105	. . . . . . . . . . . . 13 ⊢ (𝑧 = 𝑋 → (𝑧 < (abs‘𝐷) ↔ 𝑋 < (abs‘𝐷)))
44		eleq1 2848	. . . . . . . . . . . . 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 3536	. . . . . . . . . . 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 16536	. . . . . . . . . 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 2956	. . . . . . 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 7415	. . . . . . . . . . 11 ⊢ (𝐾 = 0 → (𝐾 · (abs‘𝐷)) = (0 · (abs‘𝐷)))
58	10	nncni 12314	. . . . . . . . . . . 12 ⊢ (abs‘𝐷) ∈ ℂ
59	58	mul02i 11470	. . . . . . . . . . 11 ⊢ (0 · (abs‘𝐷)) = 0
60	57, 59	eqtrdi 2811	. . . . . . . . . 10 ⊢ (𝐾 = 0 → (𝐾 · (abs‘𝐷)) = 0)
61	60	eqeq1d 2762	. . . . . . . . 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 11555	. . . . . . . . . 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 2767	. . . . . . . . 9 ⊢ ((𝑌 − 𝑋) = 0 ↔ 0 = (𝑌 − 𝑋))
66		eqcom 2767	. . . . . . . . 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 2145 ≠ wne 2955 {crab 3412 class class class wbr 5102 ‘cfv 6527 (class class class)co 7408 ℂcc 11169 0cc0 11171 1c1 11172 + caddc 11174 · cmul 11176 < clt 11314 ≤ cle 11315 − cmin 11512 ℕcn 12304 ℕ₀cn0 12575 ℤcz 12662 ...cfz 13608 abscabs 15368 ∥ cdvds 16389

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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-pre-sup 11249

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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-sup 9412 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-div 11943 df-nn 12305 df-2 12374 df-3 12375 df-n0 12576 df-z 12663 df-uz 12935 df-rp 13090 df-fz 13609 df-seq 14113 df-exp 14173 df-cj 15233 df-re 15234 df-im 15235 df-sqrt 15369 df-abs 15370

This theorem is used by: divalglem9 16538

W3C validator