Theorem oddcomabszz 36527

Description: An odd function which takes nonnegative values on nonnegative arguments commutes with abs. (Contributed by Stefan O'Rear, 26-Sep-2014.)

Hypotheses

Ref	Expression
oddcomabszz.1	⊢ ((𝜑 ∧ 𝑥 ∈ ℤ) → 𝐴 ∈ ℝ)
oddcomabszz.2	⊢ ((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) → 0 ≤ 𝐴)
oddcomabszz.3	⊢ ((𝜑 ∧ 𝑦 ∈ ℤ) → 𝐶 = -𝐵)
oddcomabszz.4	⊢ (𝑥 = 𝑦 → 𝐴 = 𝐵)
oddcomabszz.5	⊢ (𝑥 = -𝑦 → 𝐴 = 𝐶)
oddcomabszz.6	⊢ (𝑥 = 𝐷 → 𝐴 = 𝐸)
oddcomabszz.7	⊢ (𝑥 = (abs‘𝐷) → 𝐴 = 𝐹)

Assertion

Ref	Expression
oddcomabszz	⊢ ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘𝐸) = 𝐹)

Distinct variable groups:   𝑥,𝐵   𝑥,𝐶   𝑥,𝐷,𝑦   𝑥,𝐸   𝑥,𝐹   𝑦,𝐴   𝜑,𝑥,𝑦

Allowed substitution hints:   𝐴(𝑥)   𝐵(𝑦)   𝐶(𝑦)   𝐸(𝑦)   𝐹(𝑦)

Proof of Theorem oddcomabszz

Dummy variable 𝑎 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		eleq1 2676	. . . . . 6 ⊢ (𝑎 = 𝐷 → (𝑎 ∈ ℤ ↔ 𝐷 ∈ ℤ))
2	1	anbi2d 736	. . . . 5 ⊢ (𝑎 = 𝐷 → ((𝜑 ∧ 𝑎 ∈ ℤ) ↔ (𝜑 ∧ 𝐷 ∈ ℤ)))
3		csbeq1 3502	. . . . . . 7 ⊢ (𝑎 = 𝐷 → ⦋𝑎 / 𝑥⦌𝐴 = ⦋𝐷 / 𝑥⦌𝐴)
4	3	fveq2d 6107	. . . . . 6 ⊢ (𝑎 = 𝐷 → (abs‘⦋𝑎 / 𝑥⦌𝐴) = (abs‘⦋𝐷 / 𝑥⦌𝐴))
5		fveq2 6103	. . . . . . 7 ⊢ (𝑎 = 𝐷 → (abs‘𝑎) = (abs‘𝐷))
6	5	csbeq1d 3506	. . . . . 6 ⊢ (𝑎 = 𝐷 → ⦋(abs‘𝑎) / 𝑥⦌𝐴 = ⦋(abs‘𝐷) / 𝑥⦌𝐴)
7	4, 6	eqeq12d 2625	. . . . 5 ⊢ (𝑎 = 𝐷 → ((abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋(abs‘𝑎) / 𝑥⦌𝐴 ↔ (abs‘⦋𝐷 / 𝑥⦌𝐴) = ⦋(abs‘𝐷) / 𝑥⦌𝐴))
8	2, 7	imbi12d 333	. . . 4 ⊢ (𝑎 = 𝐷 → (((𝜑 ∧ 𝑎 ∈ ℤ) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋(abs‘𝑎) / 𝑥⦌𝐴) ↔ ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘⦋𝐷 / 𝑥⦌𝐴) = ⦋(abs‘𝐷) / 𝑥⦌𝐴)))
9		nfv 1830	. . . . . . . . . 10 ⊢ Ⅎ𝑥(𝜑 ∧ 𝑎 ∈ ℤ)
10		nfcsb1v 3515	. . . . . . . . . . 11 ⊢ Ⅎ𝑥⦋𝑎 / 𝑥⦌𝐴
11	10	nfel1 2765	. . . . . . . . . 10 ⊢ Ⅎ𝑥⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ
12	9, 11	nfim 1813	. . . . . . . . 9 ⊢ Ⅎ𝑥((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ)
13		eleq1 2676	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑎 → (𝑥 ∈ ℤ ↔ 𝑎 ∈ ℤ))
14	13	anbi2d 736	. . . . . . . . . 10 ⊢ (𝑥 = 𝑎 → ((𝜑 ∧ 𝑥 ∈ ℤ) ↔ (𝜑 ∧ 𝑎 ∈ ℤ)))
15		csbeq1a 3508	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑎 → 𝐴 = ⦋𝑎 / 𝑥⦌𝐴)
16	15	eleq1d 2672	. . . . . . . . . 10 ⊢ (𝑥 = 𝑎 → (𝐴 ∈ ℝ ↔ ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ))
17	14, 16	imbi12d 333	. . . . . . . . 9 ⊢ (𝑥 = 𝑎 → (((𝜑 ∧ 𝑥 ∈ ℤ) → 𝐴 ∈ ℝ) ↔ ((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ)))
18		oddcomabszz.1	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ℤ) → 𝐴 ∈ ℝ)
19	12, 17, 18	chvar 2250	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ)
20	19	adantr 480	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ)
21		nfv 1830	. . . . . . . . . 10 ⊢ Ⅎ𝑥(𝜑 ∧ 𝑎 ∈ ℤ ∧ 0 ≤ 𝑎)
22		nfcv 2751	. . . . . . . . . . 11 ⊢ Ⅎ𝑥0
23		nfcv 2751	. . . . . . . . . . 11 ⊢ Ⅎ𝑥 ≤
24	22, 23, 10	nfbr 4629	. . . . . . . . . 10 ⊢ Ⅎ𝑥0 ≤ ⦋𝑎 / 𝑥⦌𝐴
25	21, 24	nfim 1813	. . . . . . . . 9 ⊢ Ⅎ𝑥((𝜑 ∧ 𝑎 ∈ ℤ ∧ 0 ≤ 𝑎) → 0 ≤ ⦋𝑎 / 𝑥⦌𝐴)
26		breq2 4587	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑎 → (0 ≤ 𝑥 ↔ 0 ≤ 𝑎))
27	13, 26	3anbi23d 1394	. . . . . . . . . 10 ⊢ (𝑥 = 𝑎 → ((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) ↔ (𝜑 ∧ 𝑎 ∈ ℤ ∧ 0 ≤ 𝑎)))
28	15	breq2d 4595	. . . . . . . . . 10 ⊢ (𝑥 = 𝑎 → (0 ≤ 𝐴 ↔ 0 ≤ ⦋𝑎 / 𝑥⦌𝐴))
29	27, 28	imbi12d 333	. . . . . . . . 9 ⊢ (𝑥 = 𝑎 → (((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) → 0 ≤ 𝐴) ↔ ((𝜑 ∧ 𝑎 ∈ ℤ ∧ 0 ≤ 𝑎) → 0 ≤ ⦋𝑎 / 𝑥⦌𝐴)))
30		oddcomabszz.2	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) → 0 ≤ 𝐴)
31	25, 29, 30	chvar 2250	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ ∧ 0 ≤ 𝑎) → 0 ≤ ⦋𝑎 / 𝑥⦌𝐴)
32	31	3expa 1257	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → 0 ≤ ⦋𝑎 / 𝑥⦌𝐴)
33	20, 32	absidd 14009	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋𝑎 / 𝑥⦌𝐴)
34		zre 11258	. . . . . . . . 9 ⊢ (𝑎 ∈ ℤ → 𝑎 ∈ ℝ)
35	34	ad2antlr 759	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → 𝑎 ∈ ℝ)
36		absid 13884	. . . . . . . 8 ⊢ ((𝑎 ∈ ℝ ∧ 0 ≤ 𝑎) → (abs‘𝑎) = 𝑎)
37	35, 36	sylancom 698	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → (abs‘𝑎) = 𝑎)
38	37	csbeq1d 3506	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → ⦋(abs‘𝑎) / 𝑥⦌𝐴 = ⦋𝑎 / 𝑥⦌𝐴)
39	33, 38	eqtr4d 2647	. . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 0 ≤ 𝑎) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋(abs‘𝑎) / 𝑥⦌𝐴)
40		nfv 1830	. . . . . . . 8 ⊢ Ⅎ𝑦((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋-𝑎 / 𝑥⦌𝐴 = -⦋𝑎 / 𝑥⦌𝐴)
41		eleq1 2676	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → (𝑦 ∈ ℤ ↔ 𝑎 ∈ ℤ))
42	41	anbi2d 736	. . . . . . . . 9 ⊢ (𝑦 = 𝑎 → ((𝜑 ∧ 𝑦 ∈ ℤ) ↔ (𝜑 ∧ 𝑎 ∈ ℤ)))
43		negex 10158	. . . . . . . . . . . 12 ⊢ -𝑦 ∈ V
44		oddcomabszz.5	. . . . . . . . . . . 12 ⊢ (𝑥 = -𝑦 → 𝐴 = 𝐶)
45	43, 44	csbie 3525	. . . . . . . . . . 11 ⊢ ⦋-𝑦 / 𝑥⦌𝐴 = 𝐶
46		negeq 10152	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝑎 → -𝑦 = -𝑎)
47	46	csbeq1d 3506	. . . . . . . . . . 11 ⊢ (𝑦 = 𝑎 → ⦋-𝑦 / 𝑥⦌𝐴 = ⦋-𝑎 / 𝑥⦌𝐴)
48	45, 47	syl5eqr 2658	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → 𝐶 = ⦋-𝑎 / 𝑥⦌𝐴)
49		vex 3176	. . . . . . . . . . . . 13 ⊢ 𝑦 ∈ V
50		oddcomabszz.4	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑦 → 𝐴 = 𝐵)
51	49, 50	csbie 3525	. . . . . . . . . . . 12 ⊢ ⦋𝑦 / 𝑥⦌𝐴 = 𝐵
52		csbeq1 3502	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝑎 → ⦋𝑦 / 𝑥⦌𝐴 = ⦋𝑎 / 𝑥⦌𝐴)
53	51, 52	syl5eqr 2658	. . . . . . . . . . 11 ⊢ (𝑦 = 𝑎 → 𝐵 = ⦋𝑎 / 𝑥⦌𝐴)
54	53	negeqd 10154	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → -𝐵 = -⦋𝑎 / 𝑥⦌𝐴)
55	48, 54	eqeq12d 2625	. . . . . . . . 9 ⊢ (𝑦 = 𝑎 → (𝐶 = -𝐵 ↔ ⦋-𝑎 / 𝑥⦌𝐴 = -⦋𝑎 / 𝑥⦌𝐴))
56	42, 55	imbi12d 333	. . . . . . . 8 ⊢ (𝑦 = 𝑎 → (((𝜑 ∧ 𝑦 ∈ ℤ) → 𝐶 = -𝐵) ↔ ((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋-𝑎 / 𝑥⦌𝐴 = -⦋𝑎 / 𝑥⦌𝐴)))
57		oddcomabszz.3	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑦 ∈ ℤ) → 𝐶 = -𝐵)
58	40, 56, 57	chvar 2250	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → ⦋-𝑎 / 𝑥⦌𝐴 = -⦋𝑎 / 𝑥⦌𝐴)
59	58	adantr 480	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → ⦋-𝑎 / 𝑥⦌𝐴 = -⦋𝑎 / 𝑥⦌𝐴)
60	34	ad2antlr 759	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → 𝑎 ∈ ℝ)
61		absnid 13886	. . . . . . . 8 ⊢ ((𝑎 ∈ ℝ ∧ 𝑎 ≤ 0) → (abs‘𝑎) = -𝑎)
62	60, 61	sylancom 698	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → (abs‘𝑎) = -𝑎)
63	62	csbeq1d 3506	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → ⦋(abs‘𝑎) / 𝑥⦌𝐴 = ⦋-𝑎 / 𝑥⦌𝐴)
64	19	adantr 480	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → ⦋𝑎 / 𝑥⦌𝐴 ∈ ℝ)
65		znegcl 11289	. . . . . . . . . . 11 ⊢ (𝑎 ∈ ℤ → -𝑎 ∈ ℤ)
66		nfv 1830	. . . . . . . . . . . . . 14 ⊢ Ⅎ𝑥(𝜑 ∧ -𝑎 ∈ ℤ ∧ 0 ≤ -𝑎)
67		nfcsb1v 3515	. . . . . . . . . . . . . . 15 ⊢ Ⅎ𝑥⦋-𝑎 / 𝑥⦌𝐴
68	22, 23, 67	nfbr 4629	. . . . . . . . . . . . . 14 ⊢ Ⅎ𝑥0 ≤ ⦋-𝑎 / 𝑥⦌𝐴
69	66, 68	nfim 1813	. . . . . . . . . . . . 13 ⊢ Ⅎ𝑥((𝜑 ∧ -𝑎 ∈ ℤ ∧ 0 ≤ -𝑎) → 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴)
70		negex 10158	. . . . . . . . . . . . 13 ⊢ -𝑎 ∈ V
71		eleq1 2676	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = -𝑎 → (𝑥 ∈ ℤ ↔ -𝑎 ∈ ℤ))
72		breq2 4587	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = -𝑎 → (0 ≤ 𝑥 ↔ 0 ≤ -𝑎))
73	71, 72	3anbi23d 1394	. . . . . . . . . . . . . 14 ⊢ (𝑥 = -𝑎 → ((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) ↔ (𝜑 ∧ -𝑎 ∈ ℤ ∧ 0 ≤ -𝑎)))
74		csbeq1a 3508	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = -𝑎 → 𝐴 = ⦋-𝑎 / 𝑥⦌𝐴)
75	74	breq2d 4595	. . . . . . . . . . . . . 14 ⊢ (𝑥 = -𝑎 → (0 ≤ 𝐴 ↔ 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴))
76	73, 75	imbi12d 333	. . . . . . . . . . . . 13 ⊢ (𝑥 = -𝑎 → (((𝜑 ∧ 𝑥 ∈ ℤ ∧ 0 ≤ 𝑥) → 0 ≤ 𝐴) ↔ ((𝜑 ∧ -𝑎 ∈ ℤ ∧ 0 ≤ -𝑎) → 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴)))
77	69, 70, 76, 30	vtoclf 3231	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ -𝑎 ∈ ℤ ∧ 0 ≤ -𝑎) → 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴)
78	77	3expia 1259	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ -𝑎 ∈ ℤ) → (0 ≤ -𝑎 → 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴))
79	65, 78	sylan2 490	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (0 ≤ -𝑎 → 0 ≤ ⦋-𝑎 / 𝑥⦌𝐴))
80	58	breq2d 4595	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (0 ≤ ⦋-𝑎 / 𝑥⦌𝐴 ↔ 0 ≤ -⦋𝑎 / 𝑥⦌𝐴))
81	79, 80	sylibd 228	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (0 ≤ -𝑎 → 0 ≤ -⦋𝑎 / 𝑥⦌𝐴))
82	34	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → 𝑎 ∈ ℝ)
83	82	le0neg1d 10478	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (𝑎 ≤ 0 ↔ 0 ≤ -𝑎))
84	19	le0neg1d 10478	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (⦋𝑎 / 𝑥⦌𝐴 ≤ 0 ↔ 0 ≤ -⦋𝑎 / 𝑥⦌𝐴))
85	81, 83, 84	3imtr4d 282	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (𝑎 ≤ 0 → ⦋𝑎 / 𝑥⦌𝐴 ≤ 0))
86	85	imp 444	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → ⦋𝑎 / 𝑥⦌𝐴 ≤ 0)
87	64, 86	absnidd 14000	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = -⦋𝑎 / 𝑥⦌𝐴)
88	59, 63, 87	3eqtr4rd 2655	. . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ ℤ) ∧ 𝑎 ≤ 0) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋(abs‘𝑎) / 𝑥⦌𝐴)
89		0re 9919	. . . . . . 7 ⊢ 0 ∈ ℝ
90		letric 10016	. . . . . . 7 ⊢ ((0 ∈ ℝ ∧ 𝑎 ∈ ℝ) → (0 ≤ 𝑎 ∨ 𝑎 ≤ 0))
91	89, 34, 90	sylancr 694	. . . . . 6 ⊢ (𝑎 ∈ ℤ → (0 ≤ 𝑎 ∨ 𝑎 ≤ 0))
92	91	adantl 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (0 ≤ 𝑎 ∨ 𝑎 ≤ 0))
93	39, 88, 92	mpjaodan 823	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ ℤ) → (abs‘⦋𝑎 / 𝑥⦌𝐴) = ⦋(abs‘𝑎) / 𝑥⦌𝐴)
94	8, 93	vtoclg 3239	. . 3 ⊢ (𝐷 ∈ ℤ → ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘⦋𝐷 / 𝑥⦌𝐴) = ⦋(abs‘𝐷) / 𝑥⦌𝐴))
95	94	anabsi7 856	. 2 ⊢ ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘⦋𝐷 / 𝑥⦌𝐴) = ⦋(abs‘𝐷) / 𝑥⦌𝐴)
96		nfcvd 2752	. . . . 5 ⊢ (𝐷 ∈ ℤ → Ⅎ𝑥𝐸)
97		oddcomabszz.6	. . . . 5 ⊢ (𝑥 = 𝐷 → 𝐴 = 𝐸)
98	96, 97	csbiegf 3523	. . . 4 ⊢ (𝐷 ∈ ℤ → ⦋𝐷 / 𝑥⦌𝐴 = 𝐸)
99	98	fveq2d 6107	. . 3 ⊢ (𝐷 ∈ ℤ → (abs‘⦋𝐷 / 𝑥⦌𝐴) = (abs‘𝐸))
100	99	adantl 481	. 2 ⊢ ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘⦋𝐷 / 𝑥⦌𝐴) = (abs‘𝐸))
101		fvex 6113	. . . 4 ⊢ (abs‘𝐷) ∈ V
102		oddcomabszz.7	. . . 4 ⊢ (𝑥 = (abs‘𝐷) → 𝐴 = 𝐹)
103	101, 102	csbie 3525	. . 3 ⊢ ⦋(abs‘𝐷) / 𝑥⦌𝐴 = 𝐹
104	103	a1i 11	. 2 ⊢ ((𝜑 ∧ 𝐷 ∈ ℤ) → ⦋(abs‘𝐷) / 𝑥⦌𝐴 = 𝐹)
105	95, 100, 104	3eqtr3d 2652	1 ⊢ ((𝜑 ∧ 𝐷 ∈ ℤ) → (abs‘𝐸) = 𝐹)

Syntax hints:   → wi 4   ∨ wo 382   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  ⦋csb 3499   class class class wbr 4583  ‘cfv 5804  ℝcr 9814  0cc0 9815   ≤ cle 9954  -cneg 10146  ℤcz 11254  abscabs 13822

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-pre-sup 9893

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-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-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-er 7629  df-en 7842  df-dom 7843  df-sdom 7844  df-sup 8231  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-n0 11170  df-z 11255  df-uz 11564  df-rp 11709  df-seq 12664  df-exp 12723  df-cj 13687  df-re 13688  df-im 13689  df-sqrt 13823  df-abs 13824

This theorem is referenced by:  rmyabs  36543