cnsubrg - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > cnsubrg		Structured version Visualization version GIF version

Theorem cnsubrg 21321

Description: There are no subrings of the complex numbers strictly between ℝ and ℂ. (Contributed by Mario Carneiro, 15-Oct-2015.)

**Assertion**
Ref	Expression
cnsubrg	⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → 𝑅 ∈ {ℝ, ℂ})

Proof of Theorem cnsubrg Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ssdif0 4358	. . . 4 ⊢ (𝑅 ⊆ ℝ ↔ (𝑅 ∖ ℝ) = ∅)
2		simpr 484	. . . . . 6 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → 𝑅 ⊆ ℝ)
3		simplr 766	. . . . . 6 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → ℝ ⊆ 𝑅)
4	2, 3	eqssd 3994	. . . . 5 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → 𝑅 = ℝ)
5	4	orcd 870	. . . 4 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
6	1, 5	sylan2br 594	. . 3 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑅 ∖ ℝ) = ∅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
7		n0 4341	. . . 4 ⊢ ((𝑅 ∖ ℝ) ≠ ∅ ↔ ∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ))
8		simpll 764	. . . . . . . . . 10 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 ∈ (SubRing‘ℂ_fld))
9		cnfldbas 21244	. . . . . . . . . . 11 ⊢ ℂ = (Base‘ℂ_fld)
10	9	subrgss 20474	. . . . . . . . . 10 ⊢ (𝑅 ∈ (SubRing‘ℂ_fld) → 𝑅 ⊆ ℂ)
11	8, 10	syl 17	. . . . . . . . 9 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 ⊆ ℂ)
12		replim 15069	. . . . . . . . . . . . 13 ⊢ (𝑦 ∈ ℂ → 𝑦 = ((ℜ‘𝑦) + (i · (ℑ‘𝑦))))
13	12	ad2antll 726	. . . . . . . . . . . 12 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑦 = ((ℜ‘𝑦) + (i · (ℑ‘𝑦))))
14		simpll 764	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑅 ∈ (SubRing‘ℂ_fld))
15		simplr 766	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → ℝ ⊆ 𝑅)
16		recl 15063	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ∈ ℂ → (ℜ‘𝑦) ∈ ℝ)
17	16	ad2antll 726	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℜ‘𝑦) ∈ ℝ)
18	15, 17	sseldd 3978	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℜ‘𝑦) ∈ 𝑅)
19		ax-icn 11171	. . . . . . . . . . . . . . . . . . 19 ⊢ i ∈ ℂ
20	19	a1i 11	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i ∈ ℂ)
21		eldifi 4121	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑥 ∈ (𝑅 ∖ ℝ) → 𝑥 ∈ 𝑅)
22	21	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 ∈ 𝑅)
23	11, 22	sseldd 3978	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 ∈ ℂ)
24		imcl 15064	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ ℂ → (ℑ‘𝑥) ∈ ℝ)
25	23, 24	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ∈ ℝ)
26	25	recnd 11246	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ∈ ℂ)
27		eldifn 4122	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ (𝑅 ∖ ℝ) → ¬ 𝑥 ∈ ℝ)
28	27	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ¬ 𝑥 ∈ ℝ)
29		reim0b 15072	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 ∈ ℂ → (𝑥 ∈ ℝ ↔ (ℑ‘𝑥) = 0))
30	29	necon3bbid 2972	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ ℂ → (¬ 𝑥 ∈ ℝ ↔ (ℑ‘𝑥) ≠ 0))
31	23, 30	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (¬ 𝑥 ∈ ℝ ↔ (ℑ‘𝑥) ≠ 0))
32	28, 31	mpbid 231	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ≠ 0)
33	20, 26, 32	divcan4d 12000	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) / (ℑ‘𝑥)) = i)
34		mulcl 11196	. . . . . . . . . . . . . . . . . . 19 ⊢ ((i ∈ ℂ ∧ (ℑ‘𝑥) ∈ ℂ) → (i · (ℑ‘𝑥)) ∈ ℂ)
35	19, 26, 34	sylancr 586	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (i · (ℑ‘𝑥)) ∈ ℂ)
36	35, 26, 32	divrecd 11997	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) / (ℑ‘𝑥)) = ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))))
37	33, 36	eqtr3d 2768	. . . . . . . . . . . . . . . 16 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i = ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))))
38	23	recld 15147	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℜ‘𝑥) ∈ ℝ)
39	38	recnd 11246	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℜ‘𝑥) ∈ ℂ)
40	23, 39	negsubd 11581	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) = (𝑥 − (ℜ‘𝑥)))
41		replim 15069	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 ∈ ℂ → 𝑥 = ((ℜ‘𝑥) + (i · (ℑ‘𝑥))))
42	23, 41	syl 17	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 = ((ℜ‘𝑥) + (i · (ℑ‘𝑥))))
43	42	oveq1d 7420	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 − (ℜ‘𝑥)) = (((ℜ‘𝑥) + (i · (ℑ‘𝑥))) − (ℜ‘𝑥)))
44	39, 35	pncan2d 11577	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (((ℜ‘𝑥) + (i · (ℑ‘𝑥))) − (ℜ‘𝑥)) = (i · (ℑ‘𝑥)))
45	40, 43, 44	3eqtrd 2770	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) = (i · (ℑ‘𝑥)))
46		simplr 766	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ℝ ⊆ 𝑅)
47	38	renegcld 11645	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → -(ℜ‘𝑥) ∈ ℝ)
48	46, 47	sseldd 3978	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → -(ℜ‘𝑥) ∈ 𝑅)
49		cnfldadd 21246	. . . . . . . . . . . . . . . . . . . 20 ⊢ + = (+_g‘ℂ_fld)
50	49	subrgacl 20485	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ 𝑥 ∈ 𝑅 ∧ -(ℜ‘𝑥) ∈ 𝑅) → (𝑥 + -(ℜ‘𝑥)) ∈ 𝑅)
51	8, 22, 48, 50	syl3anc 1368	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) ∈ 𝑅)
52	45, 51	eqeltrrd 2828	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (i · (ℑ‘𝑥)) ∈ 𝑅)
53	25, 32	rereccld 12045	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (1 / (ℑ‘𝑥)) ∈ ℝ)
54	46, 53	sseldd 3978	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (1 / (ℑ‘𝑥)) ∈ 𝑅)
55		cnfldmul 21248	. . . . . . . . . . . . . . . . . 18 ⊢ · = (._r‘ℂ_fld)
56	55	subrgmcl 20486	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ (i · (ℑ‘𝑥)) ∈ 𝑅 ∧ (1 / (ℑ‘𝑥)) ∈ 𝑅) → ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))) ∈ 𝑅)
57	8, 52, 54, 56	syl3anc 1368	. . . . . . . . . . . . . . . 16 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))) ∈ 𝑅)
58	37, 57	eqeltrd 2827	. . . . . . . . . . . . . . 15 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i ∈ 𝑅)
59	58	adantrr 714	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → i ∈ 𝑅)
60		imcl 15064	. . . . . . . . . . . . . . . 16 ⊢ (𝑦 ∈ ℂ → (ℑ‘𝑦) ∈ ℝ)
61	60	ad2antll 726	. . . . . . . . . . . . . . 15 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℑ‘𝑦) ∈ ℝ)
62	15, 61	sseldd 3978	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℑ‘𝑦) ∈ 𝑅)
63	55	subrgmcl 20486	. . . . . . . . . . . . . 14 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ i ∈ 𝑅 ∧ (ℑ‘𝑦) ∈ 𝑅) → (i · (ℑ‘𝑦)) ∈ 𝑅)
64	14, 59, 62, 63	syl3anc 1368	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (i · (ℑ‘𝑦)) ∈ 𝑅)
65	49	subrgacl 20485	. . . . . . . . . . . . 13 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ (ℜ‘𝑦) ∈ 𝑅 ∧ (i · (ℑ‘𝑦)) ∈ 𝑅) → ((ℜ‘𝑦) + (i · (ℑ‘𝑦))) ∈ 𝑅)
66	14, 18, 64, 65	syl3anc 1368	. . . . . . . . . . . 12 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → ((ℜ‘𝑦) + (i · (ℑ‘𝑦))) ∈ 𝑅)
67	13, 66	eqeltrd 2827	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑦 ∈ 𝑅)
68	67	expr 456	. . . . . . . . . 10 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑦 ∈ ℂ → 𝑦 ∈ 𝑅))
69	68	ssrdv 3983	. . . . . . . . 9 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ℂ ⊆ 𝑅)
70	11, 69	eqssd 3994	. . . . . . . 8 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 = ℂ)
71	70	olcd 871	. . . . . . 7 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
72	71	ex 412	. . . . . 6 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → (𝑥 ∈ (𝑅 ∖ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ)))
73	72	exlimdv 1928	. . . . 5 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → (∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ)))
74	73	imp 406	. . . 4 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ ∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
75	7, 74	sylan2b 593	. . 3 ⊢ (((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) ∧ (𝑅 ∖ ℝ) ≠ ∅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
76	6, 75	pm2.61dane 3023	. 2 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
77		elprg 4644	. . 3 ⊢ (𝑅 ∈ (SubRing‘ℂ_fld) → (𝑅 ∈ {ℝ, ℂ} ↔ (𝑅 = ℝ ∨ 𝑅 = ℂ)))
78	77	adantr 480	. 2 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → (𝑅 ∈ {ℝ, ℂ} ↔ (𝑅 = ℝ ∨ 𝑅 = ℂ)))
79	76, 78	mpbird 257	1 ⊢ ((𝑅 ∈ (SubRing‘ℂ_fld) ∧ ℝ ⊆ 𝑅) → 𝑅 ∈ {ℝ, ℂ})

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 844 = wceq 1533 ∃wex 1773 ∈ wcel 2098 ≠ wne 2934 ∖ cdif 3940 ⊆ wss 3943 ∅c0 4317 {cpr 4625 ‘cfv 6537 (class class class)co 7405 ℂcc 11110 ℝcr 11111 0cc0 11112 1c1 11113 ici 11114 + caddc 11115 · cmul 11117 − cmin 11448 -cneg 11449 / cdiv 11875 ℜcre 15050 ℑcim 15051 SubRingcsubrg 20469 ℂ_fldccnfld 21240

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-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 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-addf 11191 ax-mulf 11192

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-tp 4628 df-op 4630 df-uni 4903 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-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-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-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 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-4 12281 df-5 12282 df-6 12283 df-7 12284 df-8 12285 df-9 12286 df-n0 12477 df-z 12563 df-dec 12682 df-uz 12827 df-fz 13491 df-cj 15052 df-re 15053 df-im 15054 df-struct 17089 df-sets 17106 df-slot 17124 df-ndx 17136 df-base 17154 df-ress 17183 df-plusg 17219 df-mulr 17220 df-starv 17221 df-tset 17225 df-ple 17226 df-ds 17228 df-unif 17229 df-0g 17396 df-mgm 18573 df-sgrp 18652 df-mnd 18668 df-grp 18866 df-minusg 18867 df-subg 19050 df-cmn 19702 df-abl 19703 df-mgp 20040 df-rng 20058 df-ur 20087 df-ring 20140 df-subrng 20446 df-subrg 20471 df-cnfld 21241

This theorem is referenced by: cncdrg 25242

W3C validator