pzriprnglem8 - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > pzriprnglem8		Structured version Visualization version GIF version

Theorem pzriprnglem8 21522

Description: Lemma 8 for pzriprng 21531: 𝐼 resp. 𝐽 is a two-sided ideal of the non-unital ring 𝑅. (Contributed by AV, 21-Mar-2025.)

**Hypotheses**
Ref	Expression
pzriprng.r	⊢ 𝑅 = (ℤ_ring ×_s ℤ_ring)
pzriprng.i	⊢ 𝐼 = (ℤ × {0})
pzriprng.j	⊢ 𝐽 = (𝑅 ↾_s 𝐼)

**Assertion**
Ref	Expression
pzriprnglem8	⊢ 𝐼 ∈ (2Ideal‘𝑅)

Proof of Theorem pzriprnglem8 Dummy variables 𝑥 𝑦 𝑎 𝑏 𝑐 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		pzriprng.r	. . . . . . 7 ⊢ 𝑅 = (ℤ_ring ×_s ℤ_ring)
2	1	pzriprnglem2 21516	. . . . . 6 ⊢ (Base‘𝑅) = (ℤ × ℤ)
3	2	eleq2i 2836	. . . . 5 ⊢ (𝑥 ∈ (Base‘𝑅) ↔ 𝑥 ∈ (ℤ × ℤ))
4		elxp2 5724	. . . . 5 ⊢ (𝑥 ∈ (ℤ × ℤ) ↔ ∃𝑎 ∈ ℤ ∃𝑏 ∈ ℤ 𝑥 = ⟨𝑎, 𝑏⟩)
5	3, 4	bitri 275	. . . 4 ⊢ (𝑥 ∈ (Base‘𝑅) ↔ ∃𝑎 ∈ ℤ ∃𝑏 ∈ ℤ 𝑥 = ⟨𝑎, 𝑏⟩)
6		pzriprng.i	. . . . 5 ⊢ 𝐼 = (ℤ × {0})
7	1, 6	pzriprnglem3 21517	. . . 4 ⊢ (𝑦 ∈ 𝐼 ↔ ∃𝑐 ∈ ℤ 𝑦 = ⟨𝑐, 0⟩)
8		simpll 766	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → 𝑎 ∈ ℤ)
9		simpr 484	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → 𝑐 ∈ ℤ)
10	8, 9	zmulcld 12753	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑎 · 𝑐) ∈ ℤ)
11		zcn 12644	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 ∈ ℤ → 𝑏 ∈ ℂ)
12	11	adantl 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) → 𝑏 ∈ ℂ)
13	12	adantr 480	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → 𝑏 ∈ ℂ)
14	13	mul01d 11489	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑏 · 0) = 0)
15		ovex 7481	. . . . . . . . . . . . . . 15 ⊢ (𝑏 · 0) ∈ V
16	15	elsn 4663	. . . . . . . . . . . . . 14 ⊢ ((𝑏 · 0) ∈ {0} ↔ (𝑏 · 0) = 0)
17	14, 16	sylibr 234	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑏 · 0) ∈ {0})
18	10, 17	opelxpd 5739	. . . . . . . . . . . 12 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ⟨(𝑎 · 𝑐), (𝑏 · 0)⟩ ∈ (ℤ × {0}))
19	9, 8	zmulcld 12753	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑐 · 𝑎) ∈ ℤ)
20	13	mul02d 11488	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (0 · 𝑏) = 0)
21		ovex 7481	. . . . . . . . . . . . . . 15 ⊢ (0 · 𝑏) ∈ V
22	21	elsn 4663	. . . . . . . . . . . . . 14 ⊢ ((0 · 𝑏) ∈ {0} ↔ (0 · 𝑏) = 0)
23	20, 22	sylibr 234	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (0 · 𝑏) ∈ {0})
24	19, 23	opelxpd 5739	. . . . . . . . . . . 12 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ⟨(𝑐 · 𝑎), (0 · 𝑏)⟩ ∈ (ℤ × {0}))
25		zringbas 21487	. . . . . . . . . . . . . . 15 ⊢ ℤ = (Base‘ℤ_ring)
26		zringring 21483	. . . . . . . . . . . . . . . 16 ⊢ ℤ_ring ∈ Ring
27	26	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ℤ_ring ∈ Ring)
28		simplr 768	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → 𝑏 ∈ ℤ)
29		0zd 12651	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → 0 ∈ ℤ)
30	28, 29	zmulcld 12753	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑏 · 0) ∈ ℤ)
31		zringmulr 21491	. . . . . . . . . . . . . . 15 ⊢ · = (._r‘ℤ_ring)
32		eqid 2740	. . . . . . . . . . . . . . 15 ⊢ (._r‘𝑅) = (._r‘𝑅)
33	1, 25, 25, 27, 27, 8, 28, 9, 29, 10, 30, 31, 31, 32	xpsmul 17635	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) = ⟨(𝑎 · 𝑐), (𝑏 · 0)⟩)
34	33	eleq1d 2829	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ((⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0}) ↔ ⟨(𝑎 · 𝑐), (𝑏 · 0)⟩ ∈ (ℤ × {0})))
35		simpl 482	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → 𝑐 ∈ ℤ)
36		simprl 770	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → 𝑎 ∈ ℤ)
37	35, 36	zmulcld 12753	. . . . . . . . . . . . . . . 16 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → (𝑐 · 𝑎) ∈ ℤ)
38	37	ancoms 458	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑐 · 𝑎) ∈ ℤ)
39		0zd 12651	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → 0 ∈ ℤ)
40		simprr 772	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → 𝑏 ∈ ℤ)
41	39, 40	zmulcld 12753	. . . . . . . . . . . . . . . 16 ⊢ ((𝑐 ∈ ℤ ∧ (𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ)) → (0 · 𝑏) ∈ ℤ)
42	41	ancoms 458	. . . . . . . . . . . . . . 15 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (0 · 𝑏) ∈ ℤ)
43	1, 25, 25, 27, 27, 9, 29, 8, 28, 38, 42, 31, 31, 32	xpsmul 17635	. . . . . . . . . . . . . 14 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) = ⟨(𝑐 · 𝑎), (0 · 𝑏)⟩)
44	43	eleq1d 2829	. . . . . . . . . . . . 13 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ((⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0}) ↔ ⟨(𝑐 · 𝑎), (0 · 𝑏)⟩ ∈ (ℤ × {0})))
45	34, 44	anbi12d 631	. . . . . . . . . . . 12 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (((⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0}) ∧ (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0})) ↔ (⟨(𝑎 · 𝑐), (𝑏 · 0)⟩ ∈ (ℤ × {0}) ∧ ⟨(𝑐 · 𝑎), (0 · 𝑏)⟩ ∈ (ℤ × {0}))))
46	18, 24, 45	mpbir2and 712	. . . . . . . . . . 11 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → ((⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0}) ∧ (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0})))
47	46	adantr 480	. . . . . . . . . 10 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → ((⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0}) ∧ (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0})))
48		oveq12 7457	. . . . . . . . . . . . . 14 ⊢ ((𝑥 = ⟨𝑎, 𝑏⟩ ∧ 𝑦 = ⟨𝑐, 0⟩) → (𝑥(._r‘𝑅)𝑦) = (⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩))
49	48	ancoms 458	. . . . . . . . . . . . 13 ⊢ ((𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩) → (𝑥(._r‘𝑅)𝑦) = (⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩))
50	49	adantl 481	. . . . . . . . . . . 12 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → (𝑥(._r‘𝑅)𝑦) = (⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩))
51	6	a1i 11	. . . . . . . . . . . 12 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → 𝐼 = (ℤ × {0}))
52	50, 51	eleq12d 2838	. . . . . . . . . . 11 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ↔ (⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0})))
53		oveq12 7457	. . . . . . . . . . . . 13 ⊢ ((𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩) → (𝑦(._r‘𝑅)𝑥) = (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩))
54	53	adantl 481	. . . . . . . . . . . 12 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → (𝑦(._r‘𝑅)𝑥) = (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩))
55	54, 51	eleq12d 2838	. . . . . . . . . . 11 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → ((𝑦(._r‘𝑅)𝑥) ∈ 𝐼 ↔ (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0})))
56	52, 55	anbi12d 631	. . . . . . . . . 10 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → (((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼) ↔ ((⟨𝑎, 𝑏⟩(._r‘𝑅)⟨𝑐, 0⟩) ∈ (ℤ × {0}) ∧ (⟨𝑐, 0⟩(._r‘𝑅)⟨𝑎, 𝑏⟩) ∈ (ℤ × {0}))))
57	47, 56	mpbird 257	. . . . . . . . 9 ⊢ ((((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) ∧ (𝑦 = ⟨𝑐, 0⟩ ∧ 𝑥 = ⟨𝑎, 𝑏⟩)) → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))
58	57	exp32 420	. . . . . . . 8 ⊢ (((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) ∧ 𝑐 ∈ ℤ) → (𝑦 = ⟨𝑐, 0⟩ → (𝑥 = ⟨𝑎, 𝑏⟩ → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))))
59	58	rexlimdva 3161	. . . . . . 7 ⊢ ((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) → (∃𝑐 ∈ ℤ 𝑦 = ⟨𝑐, 0⟩ → (𝑥 = ⟨𝑎, 𝑏⟩ → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))))
60	59	com23 86	. . . . . 6 ⊢ ((𝑎 ∈ ℤ ∧ 𝑏 ∈ ℤ) → (𝑥 = ⟨𝑎, 𝑏⟩ → (∃𝑐 ∈ ℤ 𝑦 = ⟨𝑐, 0⟩ → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))))
61	60	rexlimivv 3207	. . . . 5 ⊢ (∃𝑎 ∈ ℤ ∃𝑏 ∈ ℤ 𝑥 = ⟨𝑎, 𝑏⟩ → (∃𝑐 ∈ ℤ 𝑦 = ⟨𝑐, 0⟩ → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼)))
62	61	imp 406	. . . 4 ⊢ ((∃𝑎 ∈ ℤ ∃𝑏 ∈ ℤ 𝑥 = ⟨𝑎, 𝑏⟩ ∧ ∃𝑐 ∈ ℤ 𝑦 = ⟨𝑐, 0⟩) → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))
63	5, 7, 62	syl2anb 597	. . 3 ⊢ ((𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ 𝐼) → ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))
64	63	rgen2 3205	. 2 ⊢ ∀𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ 𝐼 ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼)
65	1	pzriprnglem1 21515	. . 3 ⊢ 𝑅 ∈ Rng
66	1, 6	pzriprnglem4 21518	. . 3 ⊢ 𝐼 ∈ (SubGrp‘𝑅)
67		eqid 2740	. . . 4 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅)
68		eqid 2740	. . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅)
69	67, 68, 32	df2idl2rng 21289	. . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝐼 ∈ (SubGrp‘𝑅)) → (𝐼 ∈ (2Ideal‘𝑅) ↔ ∀𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ 𝐼 ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼)))
70	65, 66, 69	mp2an 691	. 2 ⊢ (𝐼 ∈ (2Ideal‘𝑅) ↔ ∀𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ 𝐼 ((𝑥(._r‘𝑅)𝑦) ∈ 𝐼 ∧ (𝑦(._r‘𝑅)𝑥) ∈ 𝐼))
71	64, 70	mpbir 231	1 ⊢ 𝐼 ∈ (2Ideal‘𝑅)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1537 ∈ wcel 2108 ∀wral 3067 ∃wrex 3076 {csn 4648 ⟨cop 4654 × cxp 5698 ‘cfv 6573 (class class class)co 7448 ℂcc 11182 0cc0 11184 · cmul 11189 ℤcz 12639 Basecbs 17258 ↾_s cress 17287 ._rcmulr 17312 ×_s cxps 17566 SubGrpcsubg 19160 Rngcrng 20179 Ringcrg 20260 2Idealc2idl 21282 ℤ_ringczring 21480

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-pre-mulgt0 11261 ax-addf 11263 ax-mulf 11264

This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-tp 4653 df-op 4655 df-uni 4932 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-1st 8030 df-2nd 8031 df-tpos 8267 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-1o 8522 df-2o 8523 df-er 8763 df-map 8886 df-ixp 8956 df-en 9004 df-dom 9005 df-sdom 9006 df-fin 9007 df-sup 9511 df-inf 9512 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11522 df-neg 11523 df-nn 12294 df-2 12356 df-3 12357 df-4 12358 df-5 12359 df-6 12360 df-7 12361 df-8 12362 df-9 12363 df-n0 12554 df-z 12640 df-dec 12759 df-uz 12904 df-fz 13568 df-struct 17194 df-sets 17211 df-slot 17229 df-ndx 17241 df-base 17259 df-ress 17288 df-plusg 17324 df-mulr 17325 df-starv 17326 df-sca 17327 df-vsca 17328 df-ip 17329 df-tset 17330 df-ple 17331 df-ds 17333 df-unif 17334 df-hom 17335 df-cco 17336 df-0g 17501 df-prds 17507 df-imas 17568 df-xps 17570 df-mgm 18678 df-sgrp 18757 df-mnd 18773 df-grp 18976 df-minusg 18977 df-subg 19163 df-cmn 19824 df-abl 19825 df-mgp 20162 df-rng 20180 df-ur 20209 df-ring 20262 df-cring 20263 df-oppr 20360 df-subrng 20572 df-subrg 20597 df-lss 20953 df-sra 21195 df-rgmod 21196 df-lidl 21241 df-2idl 21283 df-cnfld 21388 df-zring 21481

This theorem is referenced by: pzriprnglem12 21526 pzriprnglem13 21527 pzriprngALT 21529 pzriprng1ALT 21530

W3C validator