Theorem cnsubrg 19625

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‘ℂfld) ∧ 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 3896	. . . 4 ⊢ (𝑅 ⊆ ℝ ↔ (𝑅 ∖ ℝ) = ∅)
2		simpr 476	. . . . . 6 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → 𝑅 ⊆ ℝ)
3		simplr 788	. . . . . 6 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → ℝ ⊆ 𝑅)
4	2, 3	eqssd 3585	. . . . 5 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → 𝑅 = ℝ)
5	4	orcd 406	. . . 4 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑅 ⊆ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
6	1, 5	sylan2br 492	. . 3 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑅 ∖ ℝ) = ∅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
7		n0 3890	. . . 4 ⊢ ((𝑅 ∖ ℝ) ≠ ∅ ↔ ∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ))
8		simpll 786	. . . . . . . . . 10 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 ∈ (SubRing‘ℂfld))
9		cnfldbas 19571	. . . . . . . . . . 11 ⊢ ℂ = (Base‘ℂfld)
10	9	subrgss 18604	. . . . . . . . . 10 ⊢ (𝑅 ∈ (SubRing‘ℂfld) → 𝑅 ⊆ ℂ)
11	8, 10	syl 17	. . . . . . . . 9 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 ⊆ ℂ)
12		replim 13704	. . . . . . . . . . . . 13 ⊢ (𝑦 ∈ ℂ → 𝑦 = ((ℜ‘𝑦) + (i · (ℑ‘𝑦))))
13	12	ad2antll 761	. . . . . . . . . . . 12 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑦 = ((ℜ‘𝑦) + (i · (ℑ‘𝑦))))
14		simpll 786	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑅 ∈ (SubRing‘ℂfld))
15		simplr 788	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → ℝ ⊆ 𝑅)
16		recl 13698	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ∈ ℂ → (ℜ‘𝑦) ∈ ℝ)
17	16	ad2antll 761	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℜ‘𝑦) ∈ ℝ)
18	15, 17	sseldd 3569	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℜ‘𝑦) ∈ 𝑅)
19		ax-icn 9874	. . . . . . . . . . . . . . . . . . 19 ⊢ i ∈ ℂ
20	19	a1i 11	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i ∈ ℂ)
21		eldifi 3694	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑥 ∈ (𝑅 ∖ ℝ) → 𝑥 ∈ 𝑅)
22	21	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 ∈ 𝑅)
23	11, 22	sseldd 3569	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 ∈ ℂ)
24		imcl 13699	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ ℂ → (ℑ‘𝑥) ∈ ℝ)
25	23, 24	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ∈ ℝ)
26	25	recnd 9947	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ∈ ℂ)
27		eldifn 3695	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ (𝑅 ∖ ℝ) → ¬ 𝑥 ∈ ℝ)
28	27	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ¬ 𝑥 ∈ ℝ)
29		reim0b 13707	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 ∈ ℂ → (𝑥 ∈ ℝ ↔ (ℑ‘𝑥) = 0))
30	29	necon3bbid 2819	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 ∈ ℂ → (¬ 𝑥 ∈ ℝ ↔ (ℑ‘𝑥) ≠ 0))
31	23, 30	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (¬ 𝑥 ∈ ℝ ↔ (ℑ‘𝑥) ≠ 0))
32	28, 31	mpbid 221	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℑ‘𝑥) ≠ 0)
33	20, 26, 32	divcan4d 10686	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) / (ℑ‘𝑥)) = i)
34		mulcl 9899	. . . . . . . . . . . . . . . . . . 19 ⊢ ((i ∈ ℂ ∧ (ℑ‘𝑥) ∈ ℂ) → (i · (ℑ‘𝑥)) ∈ ℂ)
35	19, 26, 34	sylancr 694	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (i · (ℑ‘𝑥)) ∈ ℂ)
36	35, 26, 32	divrecd 10683	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) / (ℑ‘𝑥)) = ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))))
37	33, 36	eqtr3d 2646	. . . . . . . . . . . . . . . 16 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i = ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))))
38	23	recld 13782	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℜ‘𝑥) ∈ ℝ)
39	38	recnd 9947	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (ℜ‘𝑥) ∈ ℂ)
40	23, 39	negsubd 10277	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) = (𝑥 − (ℜ‘𝑥)))
41		replim 13704	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 ∈ ℂ → 𝑥 = ((ℜ‘𝑥) + (i · (ℑ‘𝑥))))
42	23, 41	syl 17	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑥 = ((ℜ‘𝑥) + (i · (ℑ‘𝑥))))
43	42	oveq1d 6564	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 − (ℜ‘𝑥)) = (((ℜ‘𝑥) + (i · (ℑ‘𝑥))) − (ℜ‘𝑥)))
44	39, 35	pncan2d 10273	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (((ℜ‘𝑥) + (i · (ℑ‘𝑥))) − (ℜ‘𝑥)) = (i · (ℑ‘𝑥)))
45	40, 43, 44	3eqtrd 2648	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) = (i · (ℑ‘𝑥)))
46		simplr 788	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ℝ ⊆ 𝑅)
47	38	renegcld 10336	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → -(ℜ‘𝑥) ∈ ℝ)
48	46, 47	sseldd 3569	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → -(ℜ‘𝑥) ∈ 𝑅)
49		cnfldadd 19572	. . . . . . . . . . . . . . . . . . . 20 ⊢ + = (+g‘ℂfld)
50	49	subrgacl 18614	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ 𝑥 ∈ 𝑅 ∧ -(ℜ‘𝑥) ∈ 𝑅) → (𝑥 + -(ℜ‘𝑥)) ∈ 𝑅)
51	8, 22, 48, 50	syl3anc 1318	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑥 + -(ℜ‘𝑥)) ∈ 𝑅)
52	45, 51	eqeltrrd 2689	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (i · (ℑ‘𝑥)) ∈ 𝑅)
53	25, 32	rereccld 10731	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (1 / (ℑ‘𝑥)) ∈ ℝ)
54	46, 53	sseldd 3569	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (1 / (ℑ‘𝑥)) ∈ 𝑅)
55		cnfldmul 19573	. . . . . . . . . . . . . . . . . 18 ⊢ · = (.r‘ℂfld)
56	55	subrgmcl 18615	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ (i · (ℑ‘𝑥)) ∈ 𝑅 ∧ (1 / (ℑ‘𝑥)) ∈ 𝑅) → ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))) ∈ 𝑅)
57	8, 52, 54, 56	syl3anc 1318	. . . . . . . . . . . . . . . 16 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ((i · (ℑ‘𝑥)) · (1 / (ℑ‘𝑥))) ∈ 𝑅)
58	37, 57	eqeltrd 2688	. . . . . . . . . . . . . . 15 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → i ∈ 𝑅)
59	58	adantrr 749	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → i ∈ 𝑅)
60		imcl 13699	. . . . . . . . . . . . . . . 16 ⊢ (𝑦 ∈ ℂ → (ℑ‘𝑦) ∈ ℝ)
61	60	ad2antll 761	. . . . . . . . . . . . . . 15 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℑ‘𝑦) ∈ ℝ)
62	15, 61	sseldd 3569	. . . . . . . . . . . . . 14 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (ℑ‘𝑦) ∈ 𝑅)
63	55	subrgmcl 18615	. . . . . . . . . . . . . 14 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ i ∈ 𝑅 ∧ (ℑ‘𝑦) ∈ 𝑅) → (i · (ℑ‘𝑦)) ∈ 𝑅)
64	14, 59, 62, 63	syl3anc 1318	. . . . . . . . . . . . 13 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → (i · (ℑ‘𝑦)) ∈ 𝑅)
65	49	subrgacl 18614	. . . . . . . . . . . . 13 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ (ℜ‘𝑦) ∈ 𝑅 ∧ (i · (ℑ‘𝑦)) ∈ 𝑅) → ((ℜ‘𝑦) + (i · (ℑ‘𝑦))) ∈ 𝑅)
66	14, 18, 64, 65	syl3anc 1318	. . . . . . . . . . . 12 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → ((ℜ‘𝑦) + (i · (ℑ‘𝑦))) ∈ 𝑅)
67	13, 66	eqeltrd 2688	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑥 ∈ (𝑅 ∖ ℝ) ∧ 𝑦 ∈ ℂ)) → 𝑦 ∈ 𝑅)
68	67	expr 641	. . . . . . . . . 10 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑦 ∈ ℂ → 𝑦 ∈ 𝑅))
69	68	ssrdv 3574	. . . . . . . . 9 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → ℂ ⊆ 𝑅)
70	11, 69	eqssd 3585	. . . . . . . 8 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → 𝑅 = ℂ)
71	70	olcd 407	. . . . . . 7 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
72	71	ex 449	. . . . . 6 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) → (𝑥 ∈ (𝑅 ∖ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ)))
73	72	exlimdv 1848	. . . . 5 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) → (∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ) → (𝑅 = ℝ ∨ 𝑅 = ℂ)))
74	73	imp 444	. . . 4 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ ∃𝑥 𝑥 ∈ (𝑅 ∖ ℝ)) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
75	7, 74	sylan2b 491	. . 3 ⊢ (((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) ∧ (𝑅 ∖ ℝ) ≠ ∅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
76	6, 75	pm2.61dane 2869	. 2 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) → (𝑅 = ℝ ∨ 𝑅 = ℂ))
77		elprg 4144	. . 3 ⊢ (𝑅 ∈ (SubRing‘ℂfld) → (𝑅 ∈ {ℝ, ℂ} ↔ (𝑅 = ℝ ∨ 𝑅 = ℂ)))
78	77	adantr 480	. 2 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) → (𝑅 ∈ {ℝ, ℂ} ↔ (𝑅 = ℝ ∨ 𝑅 = ℂ)))
79	76, 78	mpbird 246	1 ⊢ ((𝑅 ∈ (SubRing‘ℂfld) ∧ ℝ ⊆ 𝑅) → 𝑅 ∈ {ℝ, ℂ})

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∨ wo 382   ∧ wa 383   = wceq 1475  ∃wex 1695   ∈ wcel 1977   ≠ wne 2780   ∖ cdif 3537   ⊆ wss 3540  ∅c0 3874  {cpr 4127  ‘cfv 5804  (class class class)co 6549  ℂcc 9813  ℝcr 9814  0cc0 9815  1c1 9816  ici 9817   + caddc 9818   · cmul 9820   − cmin 10145  -cneg 10146   / cdiv 10563  ℜcre 13685  ℑcim 13686  SubRingcsubrg 18599  ℂ_fldccnfld 19567

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-addf 9894  ax-mulf 9895

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-oadd 7451  df-er 7629  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-z 11255  df-dec 11370  df-uz 11564  df-fz 12198  df-cj 13687  df-re 13688  df-im 13689  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-starv 15783  df-tset 15787  df-ple 15788  df-ds 15791  df-unif 15792  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-grp 17248  df-subg 17414  df-mgp 18313  df-ring 18372  df-subrg 18601  df-cnfld 19568

This theorem is referenced by:  cncdrg  22963