Theorem metakunt12 39643

Description: C is the right inverse for A. (Contributed by metakunt, 25-May-2024.)

Hypotheses

Ref	Expression
metakunt12.1	⊢ (𝜑 → 𝑀 ∈ ℕ)
metakunt12.2	⊢ (𝜑 → 𝐼 ∈ ℕ)
metakunt12.3	⊢ (𝜑 → 𝐼 ≤ 𝑀)
metakunt12.4	⊢ 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))))
metakunt12.5	⊢ 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))))
metakunt12.6	⊢ (𝜑 → 𝑋 ∈ (1...𝑀))

Assertion

Ref	Expression
metakunt12	⊢ ((𝜑 ∧ ¬ (𝑋 = 𝑀 ∨ 𝑋 < 𝐼)) → (𝐴‘(𝐶‘𝑋)) = 𝑋)

Distinct variable groups:   𝑥,𝐶   𝑥,𝐼   𝑦,𝐼   𝑥,𝑀   𝑦,𝑀   𝑥,𝑋   𝑦,𝑋   𝜑,𝑥   𝜑,𝑦

Allowed substitution hints:   𝐴(𝑥,𝑦)   𝐶(𝑦)

Proof of Theorem metakunt12

Step	Hyp	Ref	Expression
1		ioran 982	. 2 ⊢ (¬ (𝑋 = 𝑀 ∨ 𝑋 < 𝐼) ↔ (¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼))
2		metakunt12.4	. . . . 5 ⊢ 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))))
3	2	a1i 11	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1)))))
4		eqeq1 2763	. . . . . . 7 ⊢ (𝑥 = (𝐶‘𝑋) → (𝑥 = 𝐼 ↔ (𝐶‘𝑋) = 𝐼))
5		breq1 5028	. . . . . . . 8 ⊢ (𝑥 = (𝐶‘𝑋) → (𝑥 < 𝐼 ↔ (𝐶‘𝑋) < 𝐼))
6		id 22	. . . . . . . 8 ⊢ (𝑥 = (𝐶‘𝑋) → 𝑥 = (𝐶‘𝑋))
7		oveq1 7150	. . . . . . . 8 ⊢ (𝑥 = (𝐶‘𝑋) → (𝑥 − 1) = ((𝐶‘𝑋) − 1))
8	5, 6, 7	ifbieq12d 4441	. . . . . . 7 ⊢ (𝑥 = (𝐶‘𝑋) → if(𝑥 < 𝐼, 𝑥, (𝑥 − 1)) = if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1)))
9	4, 8	ifbieq2d 4439	. . . . . 6 ⊢ (𝑥 = (𝐶‘𝑋) → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))))
10	9	adantl 486	. . . . 5 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑥 = (𝐶‘𝑋)) → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))))
11		metakunt12.5	. . . . . . . . . 10 ⊢ 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))))
12	11	a1i 11	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1)))))
13		eqeq1 2763	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝑋 → (𝑦 = 𝑀 ↔ 𝑋 = 𝑀))
14		breq1 5028	. . . . . . . . . . . . 13 ⊢ (𝑦 = 𝑋 → (𝑦 < 𝐼 ↔ 𝑋 < 𝐼))
15		id 22	. . . . . . . . . . . . 13 ⊢ (𝑦 = 𝑋 → 𝑦 = 𝑋)
16		oveq1 7150	. . . . . . . . . . . . 13 ⊢ (𝑦 = 𝑋 → (𝑦 + 1) = (𝑋 + 1))
17	14, 15, 16	ifbieq12d 4441	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝑋 → if(𝑦 < 𝐼, 𝑦, (𝑦 + 1)) = if(𝑋 < 𝐼, 𝑋, (𝑋 + 1)))
18	13, 17	ifbieq2d 4439	. . . . . . . . . . 11 ⊢ (𝑦 = 𝑋 → if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))) = if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))))
19	18	adantl 486	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑦 = 𝑋) → if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))) = if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))))
20		simp2 1135	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → ¬ 𝑋 = 𝑀)
21		iffalse 4422	. . . . . . . . . . . . 13 ⊢ (¬ 𝑋 = 𝑀 → if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))) = if(𝑋 < 𝐼, 𝑋, (𝑋 + 1)))
22	20, 21	syl 17	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))) = if(𝑋 < 𝐼, 𝑋, (𝑋 + 1)))
23		simp3 1136	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → ¬ 𝑋 < 𝐼)
24		iffalse 4422	. . . . . . . . . . . . 13 ⊢ (¬ 𝑋 < 𝐼 → if(𝑋 < 𝐼, 𝑋, (𝑋 + 1)) = (𝑋 + 1))
25	23, 24	syl 17	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if(𝑋 < 𝐼, 𝑋, (𝑋 + 1)) = (𝑋 + 1))
26	22, 25	eqtrd 2794	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))) = (𝑋 + 1))
27	26	adantr 485	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑦 = 𝑋) → if(𝑋 = 𝑀, 𝐼, if(𝑋 < 𝐼, 𝑋, (𝑋 + 1))) = (𝑋 + 1))
28	19, 27	eqtrd 2794	. . . . . . . . 9 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑦 = 𝑋) → if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))) = (𝑋 + 1))
29		metakunt12.6	. . . . . . . . . 10 ⊢ (𝜑 → 𝑋 ∈ (1...𝑀))
30	29	3ad2ant1 1131	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 ∈ (1...𝑀))
31		elfznn 12970	. . . . . . . . . . . . 13 ⊢ (𝑋 ∈ (1...𝑀) → 𝑋 ∈ ℕ)
32	29, 31	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑋 ∈ ℕ)
33	32	nnzd 12110	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∈ ℤ)
34	33	3ad2ant1 1131	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 ∈ ℤ)
35	34	peano2zd 12114	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝑋 + 1) ∈ ℤ)
36	12, 28, 30, 35	fvmptd 6759	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝐶‘𝑋) = (𝑋 + 1))
37		eqeq1 2763	. . . . . . . . 9 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → ((𝐶‘𝑋) = 𝐼 ↔ (𝑋 + 1) = 𝐼))
38		breq1 5028	. . . . . . . . . 10 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → ((𝐶‘𝑋) < 𝐼 ↔ (𝑋 + 1) < 𝐼))
39		id 22	. . . . . . . . . 10 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → (𝐶‘𝑋) = (𝑋 + 1))
40		oveq1 7150	. . . . . . . . . 10 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → ((𝐶‘𝑋) − 1) = ((𝑋 + 1) − 1))
41	38, 39, 40	ifbieq12d 4441	. . . . . . . . 9 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1)) = if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1)))
42	37, 41	ifbieq2d 4439	. . . . . . . 8 ⊢ ((𝐶‘𝑋) = (𝑋 + 1) → if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))) = if((𝑋 + 1) = 𝐼, 𝑀, if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1))))
43	36, 42	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))) = if((𝑋 + 1) = 𝐼, 𝑀, if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1))))
44		metakunt12.2	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐼 ∈ ℕ)
45	44	nnred 11674	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐼 ∈ ℝ)
46	45	3ad2ant1 1131	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐼 ∈ ℝ)
47	34	zred 12111	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 ∈ ℝ)
48	35	zred 12111	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝑋 + 1) ∈ ℝ)
49	46, 47	lenltd 10809	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝐼 ≤ 𝑋 ↔ ¬ 𝑋 < 𝐼))
50	23, 49	mpbird 260	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐼 ≤ 𝑋)
51	47	ltp1d 11593	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 < (𝑋 + 1))
52	46, 47, 48, 50, 51	lelttrd 10821	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐼 < (𝑋 + 1))
53	46, 52	ltned 10799	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐼 ≠ (𝑋 + 1))
54	53	necomd 3004	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝑋 + 1) ≠ 𝐼)
55	54	neneqd 2954	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → ¬ (𝑋 + 1) = 𝐼)
56		iffalse 4422	. . . . . . . . 9 ⊢ (¬ (𝑋 + 1) = 𝐼 → if((𝑋 + 1) = 𝐼, 𝑀, if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1))) = if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1)))
57	55, 56	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if((𝑋 + 1) = 𝐼, 𝑀, if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1))) = if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1)))
58	47	lep1d 11594	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 ≤ (𝑋 + 1))
59	46, 47, 48, 50, 58	letrd 10820	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐼 ≤ (𝑋 + 1))
60	46, 48	lenltd 10809	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝐼 ≤ (𝑋 + 1) ↔ ¬ (𝑋 + 1) < 𝐼))
61	59, 60	mpbid 235	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → ¬ (𝑋 + 1) < 𝐼)
62		iffalse 4422	. . . . . . . . 9 ⊢ (¬ (𝑋 + 1) < 𝐼 → if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1)) = ((𝑋 + 1) − 1))
63	61, 62	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1)) = ((𝑋 + 1) − 1))
64	34	zcnd 12112	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝑋 ∈ ℂ)
65		1cnd 10659	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 1 ∈ ℂ)
66	64, 65	pncand 11021	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → ((𝑋 + 1) − 1) = 𝑋)
67	57, 63, 66	3eqtrd 2798	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if((𝑋 + 1) = 𝐼, 𝑀, if((𝑋 + 1) < 𝐼, (𝑋 + 1), ((𝑋 + 1) − 1))) = 𝑋)
68	43, 67	eqtrd 2794	. . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))) = 𝑋)
69	68	adantr 485	. . . . 5 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑥 = (𝐶‘𝑋)) → if((𝐶‘𝑋) = 𝐼, 𝑀, if((𝐶‘𝑋) < 𝐼, (𝐶‘𝑋), ((𝐶‘𝑋) − 1))) = 𝑋)
70	10, 69	eqtrd 2794	. . . 4 ⊢ (((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) ∧ 𝑥 = (𝐶‘𝑋)) → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = 𝑋)
71		metakunt12.1	. . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℕ)
72		metakunt12.3	. . . . . . 7 ⊢ (𝜑 → 𝐼 ≤ 𝑀)
73	71, 44, 72, 11	metakunt2 39633	. . . . . 6 ⊢ (𝜑 → 𝐶:(1...𝑀)⟶(1...𝑀))
74	73	3ad2ant1 1131	. . . . 5 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → 𝐶:(1...𝑀)⟶(1...𝑀))
75	74, 30	ffvelrnd 6836	. . . 4 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝐶‘𝑋) ∈ (1...𝑀))
76	3, 70, 75, 30	fvmptd 6759	. . 3 ⊢ ((𝜑 ∧ ¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼) → (𝐴‘(𝐶‘𝑋)) = 𝑋)
77	76	3expb 1118	. 2 ⊢ ((𝜑 ∧ (¬ 𝑋 = 𝑀 ∧ ¬ 𝑋 < 𝐼)) → (𝐴‘(𝐶‘𝑋)) = 𝑋)
78	1, 77	sylan2b 597	1 ⊢ ((𝜑 ∧ ¬ (𝑋 = 𝑀 ∨ 𝑋 < 𝐼)) → (𝐴‘(𝐶‘𝑋)) = 𝑋)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 400   ∨ wo 845   ∧ w3a 1085   = wceq 1539   ∈ wcel 2112  ifcif 4413   class class class wbr 5025   ↦ cmpt 5105  ⟶wf 6324  ‘cfv 6328  (class class class)co 7143  ℝcr 10559  1c1 10561   + caddc 10563   < clt 10698   ≤ cle 10699   − cmin 10893  ℕcn 11659  ℤcz 12005  ...cfz 12924

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2159  ax-12 2176  ax-ext 2730  ax-sep 5162  ax-nul 5169  ax-pow 5227  ax-pr 5291  ax-un 7452  ax-cnex 10616  ax-resscn 10617  ax-1cn 10618  ax-icn 10619  ax-addcl 10620  ax-addrcl 10621  ax-mulcl 10622  ax-mulrcl 10623  ax-mulcom 10624  ax-addass 10625  ax-mulass 10626  ax-distr 10627  ax-i2m1 10628  ax-1ne0 10629  ax-1rid 10630  ax-rnegex 10631  ax-rrecex 10632  ax-cnre 10633  ax-pre-lttri 10634  ax-pre-lttrn 10635  ax-pre-ltadd 10636  ax-pre-mulgt0 10637

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 846  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2071  df-mo 2558  df-eu 2589  df-clab 2737  df-cleq 2751  df-clel 2831  df-nfc 2899  df-ne 2950  df-nel 3054  df-ral 3073  df-rex 3074  df-reu 3075  df-rab 3077  df-v 3409  df-sbc 3694  df-csb 3802  df-dif 3857  df-un 3859  df-in 3861  df-ss 3871  df-pss 3873  df-nul 4222  df-if 4414  df-pw 4489  df-sn 4516  df-pr 4518  df-tp 4520  df-op 4522  df-uni 4792  df-iun 4878  df-br 5026  df-opab 5088  df-mpt 5106  df-tr 5132  df-id 5423  df-eprel 5428  df-po 5436  df-so 5437  df-fr 5476  df-we 5478  df-xp 5523  df-rel 5524  df-cnv 5525  df-co 5526  df-dm 5527  df-rn 5528  df-res 5529  df-ima 5530  df-pred 6119  df-ord 6165  df-on 6166  df-lim 6167  df-suc 6168  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-riota 7101  df-ov 7146  df-oprab 7147  df-mpo 7148  df-om 7573  df-1st 7686  df-2nd 7687  df-wrecs 7950  df-recs 8011  df-rdg 8049  df-er 8292  df-en 8521  df-dom 8522  df-sdom 8523  df-pnf 10700  df-mnf 10701  df-xr 10702  df-ltxr 10703  df-le 10704  df-sub 10895  df-neg 10896  df-nn 11660  df-n0 11920  df-z 12006  df-uz 12268  df-fz 12925

This theorem is referenced by:  metakunt13  39644