Theorem fiunelros 32042

Description: A ring of sets is closed under finite union. (Contributed by Thierry Arnoux, 19-Jul-2020.)

Hypotheses

Ref	Expression
isros.1	⊢ 𝑄 = {𝑠 ∈ 𝒫 𝒫 𝑂 ∣ (∅ ∈ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 ((𝑥 ∪ 𝑦) ∈ 𝑠 ∧ (𝑥 ∖ 𝑦) ∈ 𝑠))}
fiunelros.1	⊢ (𝜑 → 𝑆 ∈ 𝑄)
fiunelros.2	⊢ (𝜑 → 𝑁 ∈ ℕ)
fiunelros.3	⊢ ((𝜑 ∧ 𝑘 ∈ (1..^𝑁)) → 𝐵 ∈ 𝑆)

Assertion

Ref	Expression
fiunelros	⊢ (𝜑 → ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆)

Distinct variable groups:   𝑂,𝑠   𝑆,𝑠,𝑥,𝑦   𝑘,𝑁   𝑆,𝑘   𝜑,𝑘

Allowed substitution hints:   𝜑(𝑥,𝑦,𝑠)   𝐵(𝑥,𝑦,𝑘,𝑠)   𝑄(𝑥,𝑦,𝑘,𝑠)   𝑁(𝑥,𝑦,𝑠)   𝑂(𝑥,𝑦,𝑘)

Proof of Theorem fiunelros

Dummy variables 𝑖 𝑛 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		fiunelros.2	. 2 ⊢ (𝜑 → 𝑁 ∈ ℕ)
2		simpr 484	. . . . 5 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℕ)
3	2	nnred 11918	. . . 4 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℝ)
4	3	leidd 11471	. . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ) → 𝑁 ≤ 𝑁)
5		breq1 5073	. . . . 5 ⊢ (𝑛 = 1 → (𝑛 ≤ 𝑁 ↔ 1 ≤ 𝑁))
6		oveq2 7263	. . . . . . 7 ⊢ (𝑛 = 1 → (1..^𝑛) = (1..^1))
7	6	iuneq1d 4948	. . . . . 6 ⊢ (𝑛 = 1 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 = ∪ 𝑘 ∈ (1..^1)𝐵)
8	7	eleq1d 2823	. . . . 5 ⊢ (𝑛 = 1 → (∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆 ↔ ∪ 𝑘 ∈ (1..^1)𝐵 ∈ 𝑆))
9	5, 8	imbi12d 344	. . . 4 ⊢ (𝑛 = 1 → ((𝑛 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆) ↔ (1 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^1)𝐵 ∈ 𝑆)))
10		breq1 5073	. . . . 5 ⊢ (𝑛 = 𝑖 → (𝑛 ≤ 𝑁 ↔ 𝑖 ≤ 𝑁))
11		oveq2 7263	. . . . . . 7 ⊢ (𝑛 = 𝑖 → (1..^𝑛) = (1..^𝑖))
12	11	iuneq1d 4948	. . . . . 6 ⊢ (𝑛 = 𝑖 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 = ∪ 𝑘 ∈ (1..^𝑖)𝐵)
13	12	eleq1d 2823	. . . . 5 ⊢ (𝑛 = 𝑖 → (∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆 ↔ ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆))
14	10, 13	imbi12d 344	. . . 4 ⊢ (𝑛 = 𝑖 → ((𝑛 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆) ↔ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)))
15		breq1 5073	. . . . 5 ⊢ (𝑛 = (𝑖 + 1) → (𝑛 ≤ 𝑁 ↔ (𝑖 + 1) ≤ 𝑁))
16		oveq2 7263	. . . . . . 7 ⊢ (𝑛 = (𝑖 + 1) → (1..^𝑛) = (1..^(𝑖 + 1)))
17	16	iuneq1d 4948	. . . . . 6 ⊢ (𝑛 = (𝑖 + 1) → ∪ 𝑘 ∈ (1..^𝑛)𝐵 = ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵)
18	17	eleq1d 2823	. . . . 5 ⊢ (𝑛 = (𝑖 + 1) → (∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆 ↔ ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 ∈ 𝑆))
19	15, 18	imbi12d 344	. . . 4 ⊢ (𝑛 = (𝑖 + 1) → ((𝑛 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆) ↔ ((𝑖 + 1) ≤ 𝑁 → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 ∈ 𝑆)))
20		breq1 5073	. . . . 5 ⊢ (𝑛 = 𝑁 → (𝑛 ≤ 𝑁 ↔ 𝑁 ≤ 𝑁))
21		oveq2 7263	. . . . . . 7 ⊢ (𝑛 = 𝑁 → (1..^𝑛) = (1..^𝑁))
22	21	iuneq1d 4948	. . . . . 6 ⊢ (𝑛 = 𝑁 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 = ∪ 𝑘 ∈ (1..^𝑁)𝐵)
23	22	eleq1d 2823	. . . . 5 ⊢ (𝑛 = 𝑁 → (∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆 ↔ ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆))
24	20, 23	imbi12d 344	. . . 4 ⊢ (𝑛 = 𝑁 → ((𝑛 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑛)𝐵 ∈ 𝑆) ↔ (𝑁 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆)))
25		fzo0 13339	. . . . . . . 8 ⊢ (1..^1) = ∅
26		iuneq1 4937	. . . . . . . 8 ⊢ ((1..^1) = ∅ → ∪ 𝑘 ∈ (1..^1)𝐵 = ∪ 𝑘 ∈ ∅ 𝐵)
27	25, 26	ax-mp 5	. . . . . . 7 ⊢ ∪ 𝑘 ∈ (1..^1)𝐵 = ∪ 𝑘 ∈ ∅ 𝐵
28		0iun 4988	. . . . . . 7 ⊢ ∪ 𝑘 ∈ ∅ 𝐵 = ∅
29	27, 28	eqtri 2766	. . . . . 6 ⊢ ∪ 𝑘 ∈ (1..^1)𝐵 = ∅
30		fiunelros.1	. . . . . . 7 ⊢ (𝜑 → 𝑆 ∈ 𝑄)
31		isros.1	. . . . . . . 8 ⊢ 𝑄 = {𝑠 ∈ 𝒫 𝒫 𝑂 ∣ (∅ ∈ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 ((𝑥 ∪ 𝑦) ∈ 𝑠 ∧ (𝑥 ∖ 𝑦) ∈ 𝑠))}
32	31	0elros 32038	. . . . . . 7 ⊢ (𝑆 ∈ 𝑄 → ∅ ∈ 𝑆)
33	30, 32	syl 17	. . . . . 6 ⊢ (𝜑 → ∅ ∈ 𝑆)
34	29, 33	eqeltrid 2843	. . . . 5 ⊢ (𝜑 → ∪ 𝑘 ∈ (1..^1)𝐵 ∈ 𝑆)
35	34	a1d 25	. . . 4 ⊢ (𝜑 → (1 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^1)𝐵 ∈ 𝑆))
36		simpllr 772	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑖 ∈ ℕ)
37		fzosplitsn 13423	. . . . . . . . . 10 ⊢ (𝑖 ∈ (ℤ≥‘1) → (1..^(𝑖 + 1)) = ((1..^𝑖) ∪ {𝑖}))
38		nnuz 12550	. . . . . . . . . 10 ⊢ ℕ = (ℤ≥‘1)
39	37, 38	eleq2s 2857	. . . . . . . . 9 ⊢ (𝑖 ∈ ℕ → (1..^(𝑖 + 1)) = ((1..^𝑖) ∪ {𝑖}))
40	39	iuneq1d 4948	. . . . . . . 8 ⊢ (𝑖 ∈ ℕ → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 = ∪ 𝑘 ∈ ((1..^𝑖) ∪ {𝑖})𝐵)
41	36, 40	syl 17	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 = ∪ 𝑘 ∈ ((1..^𝑖) ∪ {𝑖})𝐵)
42		iunxun 5019	. . . . . . 7 ⊢ ∪ 𝑘 ∈ ((1..^𝑖) ∪ {𝑖})𝐵 = (∪ 𝑘 ∈ (1..^𝑖)𝐵 ∪ ∪ 𝑘 ∈ {𝑖}𝐵)
43	41, 42	eqtrdi 2795	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 = (∪ 𝑘 ∈ (1..^𝑖)𝐵 ∪ ∪ 𝑘 ∈ {𝑖}𝐵))
44	30	ad3antrrr 726	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑆 ∈ 𝑄)
45	36	nnred 11918	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑖 ∈ ℝ)
46	1	ad3antrrr 726	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑁 ∈ ℕ)
47	46	nnred 11918	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑁 ∈ ℝ)
48		simpr 484	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → (𝑖 + 1) ≤ 𝑁)
49		nnltp1le 12306	. . . . . . . . . . 11 ⊢ ((𝑖 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑖 < 𝑁 ↔ (𝑖 + 1) ≤ 𝑁))
50	36, 46, 49	syl2anc 583	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → (𝑖 < 𝑁 ↔ (𝑖 + 1) ≤ 𝑁))
51	48, 50	mpbird 256	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑖 < 𝑁)
52	45, 47, 51	ltled 11053	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑖 ≤ 𝑁)
53		simplr 765	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆))
54	52, 53	mpd 15	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)
55		nfcsb1v 3853	. . . . . . . . . 10 ⊢ Ⅎ𝑘⦋𝑖 / 𝑘⦌𝐵
56		csbeq1a 3842	. . . . . . . . . 10 ⊢ (𝑘 = 𝑖 → 𝐵 = ⦋𝑖 / 𝑘⦌𝐵)
57	55, 56	iunxsngf 5017	. . . . . . . . 9 ⊢ (𝑖 ∈ ℕ → ∪ 𝑘 ∈ {𝑖}𝐵 = ⦋𝑖 / 𝑘⦌𝐵)
58	36, 57	syl 17	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ {𝑖}𝐵 = ⦋𝑖 / 𝑘⦌𝐵)
59		simplll 771	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝜑)
60		elfzo1 13365	. . . . . . . . . 10 ⊢ (𝑖 ∈ (1..^𝑁) ↔ (𝑖 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑖 < 𝑁))
61	36, 46, 51, 60	syl3anbrc 1341	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → 𝑖 ∈ (1..^𝑁))
62		nfv 1918	. . . . . . . . . . 11 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑖 ∈ (1..^𝑁))
63		nfcv 2906	. . . . . . . . . . . 12 ⊢ Ⅎ𝑘𝑆
64	55, 63	nfel 2920	. . . . . . . . . . 11 ⊢ Ⅎ𝑘⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆
65	62, 64	nfim 1900	. . . . . . . . . 10 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑖 ∈ (1..^𝑁)) → ⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆)
66		eleq1w 2821	. . . . . . . . . . . 12 ⊢ (𝑘 = 𝑖 → (𝑘 ∈ (1..^𝑁) ↔ 𝑖 ∈ (1..^𝑁)))
67	66	anbi2d 628	. . . . . . . . . . 11 ⊢ (𝑘 = 𝑖 → ((𝜑 ∧ 𝑘 ∈ (1..^𝑁)) ↔ (𝜑 ∧ 𝑖 ∈ (1..^𝑁))))
68	56	eleq1d 2823	. . . . . . . . . . 11 ⊢ (𝑘 = 𝑖 → (𝐵 ∈ 𝑆 ↔ ⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆))
69	67, 68	imbi12d 344	. . . . . . . . . 10 ⊢ (𝑘 = 𝑖 → (((𝜑 ∧ 𝑘 ∈ (1..^𝑁)) → 𝐵 ∈ 𝑆) ↔ ((𝜑 ∧ 𝑖 ∈ (1..^𝑁)) → ⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆)))
70		fiunelros.3	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (1..^𝑁)) → 𝐵 ∈ 𝑆)
71	65, 69, 70	chvarfv 2236	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ (1..^𝑁)) → ⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆)
72	59, 61, 71	syl2anc 583	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ⦋𝑖 / 𝑘⦌𝐵 ∈ 𝑆)
73	58, 72	eqeltrd 2839	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ {𝑖}𝐵 ∈ 𝑆)
74	31	unelros 32039	. . . . . . 7 ⊢ ((𝑆 ∈ 𝑄 ∧ ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆 ∧ ∪ 𝑘 ∈ {𝑖}𝐵 ∈ 𝑆) → (∪ 𝑘 ∈ (1..^𝑖)𝐵 ∪ ∪ 𝑘 ∈ {𝑖}𝐵) ∈ 𝑆)
75	44, 54, 73, 74	syl3anc 1369	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → (∪ 𝑘 ∈ (1..^𝑖)𝐵 ∪ ∪ 𝑘 ∈ {𝑖}𝐵) ∈ 𝑆)
76	43, 75	eqeltrd 2839	. . . . 5 ⊢ ((((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) ∧ (𝑖 + 1) ≤ 𝑁) → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 ∈ 𝑆)
77	76	ex 412	. . . 4 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ) ∧ (𝑖 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑖)𝐵 ∈ 𝑆)) → ((𝑖 + 1) ≤ 𝑁 → ∪ 𝑘 ∈ (1..^(𝑖 + 1))𝐵 ∈ 𝑆))
78	9, 14, 19, 24, 35, 77	nnindd 11923	. . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ) → (𝑁 ≤ 𝑁 → ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆))
79	4, 78	mpd 15	. 2 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ) → ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆)
80	1, 79	mpdan 683	1 ⊢ (𝜑 → ∪ 𝑘 ∈ (1..^𝑁)𝐵 ∈ 𝑆)

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 395   = wceq 1539   ∈ wcel 2108  ∀wral 3063  {crab 3067  ⦋csb 3828   ∖ cdif 3880   ∪ cun 3881  ∅c0 4253  𝒫 cpw 4530  {csn 4558  ∪ ciun 4921   class class class wbr 5070  ‘cfv 6418  (class class class)co 7255  1c1 10803   + caddc 10805   < clt 10940   ≤ cle 10941  ℕcn 11903  ℤ_≥cuz 12511  ..^cfzo 13311

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-1st 7804  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-er 8456  df-en 8692  df-dom 8693  df-sdom 8694  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-nn 11904  df-n0 12164  df-z 12250  df-uz 12512  df-fz 13169  df-fzo 13312

This theorem is referenced by: (None)