Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  idomsubr Structured version   Visualization version   GIF version

Theorem idomsubr 33370
Description: Every integral domain is isomorphic with a subring of some field. (Proposed by Gerard Lang, 10-May-2025.) (Contributed by Thierry Arnoux, 10-May-2025.)
Hypothesis
Ref Expression
idomsubr.1 (𝜑𝑅 ∈ IDomn)
Assertion
Ref Expression
idomsubr (𝜑 → ∃𝑓 ∈ Field ∃𝑠 ∈ (SubRing‘𝑓)𝑅𝑟 (𝑓s 𝑠))
Distinct variable groups:   𝑅,𝑓,𝑠   𝜑,𝑓,𝑠

Proof of Theorem idomsubr
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fveq2 6840 . . 3 (𝑓 = ( Frac ‘𝑅) → (SubRing‘𝑓) = (SubRing‘( Frac ‘𝑅)))
2 oveq1 7374 . . . 4 (𝑓 = ( Frac ‘𝑅) → (𝑓s 𝑠) = (( Frac ‘𝑅) ↾s 𝑠))
32breq2d 5097 . . 3 (𝑓 = ( Frac ‘𝑅) → (𝑅𝑟 (𝑓s 𝑠) ↔ 𝑅𝑟 (( Frac ‘𝑅) ↾s 𝑠)))
41, 3rexeqbidv 3312 . 2 (𝑓 = ( Frac ‘𝑅) → (∃𝑠 ∈ (SubRing‘𝑓)𝑅𝑟 (𝑓s 𝑠) ↔ ∃𝑠 ∈ (SubRing‘( Frac ‘𝑅))𝑅𝑟 (( Frac ‘𝑅) ↾s 𝑠)))
5 idomsubr.1 . . 3 (𝜑𝑅 ∈ IDomn)
65fracfld 33369 . 2 (𝜑 → ( Frac ‘𝑅) ∈ Field)
7 oveq2 7375 . . . 4 (𝑠 = ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) → (( Frac ‘𝑅) ↾s 𝑠) = (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))
87breq2d 5097 . . 3 (𝑠 = ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) → (𝑅𝑟 (( Frac ‘𝑅) ↾s 𝑠) ↔ 𝑅𝑟 (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
9 eqid 2736 . . . . 5 (Base‘𝑅) = (Base‘𝑅)
10 eqid 2736 . . . . 5 (RLReg‘𝑅) = (RLReg‘𝑅)
11 eqid 2736 . . . . 5 (1r𝑅) = (1r𝑅)
125idomcringd 20704 . . . . 5 (𝜑𝑅 ∈ CRing)
13 eqid 2736 . . . . 5 (𝑅 ~RL (RLReg‘𝑅)) = (𝑅 ~RL (RLReg‘𝑅))
14 opeq1 4816 . . . . . . 7 (𝑥 = 𝑦 → ⟨𝑥, (1r𝑅)⟩ = ⟨𝑦, (1r𝑅)⟩)
1514eceq1d 8684 . . . . . 6 (𝑥 = 𝑦 → [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)) = [⟨𝑦, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))
1615cbvmptv 5189 . . . . 5 (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) = (𝑦 ∈ (Base‘𝑅) ↦ [⟨𝑦, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))
179, 10, 11, 12, 13, 16fracf1 33368 . . . 4 (𝜑 → ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1→(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))) ∧ (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom ( Frac ‘𝑅))))
18 rnrhmsubrg 20582 . . . 4 ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom ( Frac ‘𝑅)) → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (SubRing‘( Frac ‘𝑅)))
1917, 18simpl2im 503 . . 3 (𝜑 → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (SubRing‘( Frac ‘𝑅)))
20 ssidd 3945 . . . . . 6 (𝜑 → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))
2117simprd 495 . . . . . 6 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom ( Frac ‘𝑅)))
22 eqid 2736 . . . . . . . 8 (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))) = (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))
2322resrhm2b 20579 . . . . . . 7 ((ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (SubRing‘( Frac ‘𝑅)) ∧ ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))) → ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom ( Frac ‘𝑅)) ↔ (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))))
2423biimpa 476 . . . . . 6 (((ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (SubRing‘( Frac ‘𝑅)) ∧ ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))) ∧ (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom ( Frac ‘𝑅))) → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
2519, 20, 21, 24syl21anc 838 . . . . 5 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
2617simpld 494 . . . . . . 7 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1→(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))))
27 f1f1orn 6791 . . . . . . 7 ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1→(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))) → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))
2826, 27syl 17 . . . . . 6 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))
29 f1f 6736 . . . . . . . . . . 11 ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1→(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))) → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)⟶(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))))
3026, 29syl 17 . . . . . . . . . 10 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)⟶(((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))))
3130frnd 6676 . . . . . . . . 9 (𝜑 → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ (((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))))
32 eqid 2736 . . . . . . . . . 10 ( Frac ‘𝑅) = ( Frac ‘𝑅)
339, 10, 32, 13fracbas 33366 . . . . . . . . 9 (((Base‘𝑅) × (RLReg‘𝑅)) / (𝑅 ~RL (RLReg‘𝑅))) = (Base‘( Frac ‘𝑅))
3431, 33sseqtrdi 3962 . . . . . . . 8 (𝜑 → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ (Base‘( Frac ‘𝑅)))
35 eqid 2736 . . . . . . . . 9 (Base‘( Frac ‘𝑅)) = (Base‘( Frac ‘𝑅))
3622, 35ressbas2 17208 . . . . . . . 8 (ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ⊆ (Base‘( Frac ‘𝑅)) → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) = (Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
3734, 36syl 17 . . . . . . 7 (𝜑 → ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) = (Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
3837f1oeq3d 6777 . . . . . 6 (𝜑 → ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ↔ (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→(Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))))
3928, 38mpbid 232 . . . . 5 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→(Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
40 eqid 2736 . . . . . 6 (Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))) = (Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))
419, 40isrim 20471 . . . . 5 ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingIso (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))) ↔ ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingHom (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))) ∧ (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))):(Base‘𝑅)–1-1-onto→(Base‘(( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))))
4225, 39, 41sylanbrc 584 . . . 4 (𝜑 → (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingIso (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))))
43 brrici 20482 . . . 4 ((𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))) ∈ (𝑅 RingIso (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅))))) → 𝑅𝑟 (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))
4442, 43syl 17 . . 3 (𝜑𝑅𝑟 (( Frac ‘𝑅) ↾s ran (𝑥 ∈ (Base‘𝑅) ↦ [⟨𝑥, (1r𝑅)⟩](𝑅 ~RL (RLReg‘𝑅)))))
458, 19, 44rspcedvdw 3567 . 2 (𝜑 → ∃𝑠 ∈ (SubRing‘( Frac ‘𝑅))𝑅𝑟 (( Frac ‘𝑅) ↾s 𝑠))
464, 6, 45rspcedvdw 3567 1 (𝜑 → ∃𝑓 ∈ Field ∃𝑠 ∈ (SubRing‘𝑓)𝑅𝑟 (𝑓s 𝑠))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1542  wcel 2114  wrex 3061  wss 3889  cop 4573   class class class wbr 5085  cmpt 5166   × cxp 5629  ran crn 5632  wf 6494  1-1wf1 6495  1-1-ontowf1o 6497  cfv 6498  (class class class)co 7367  [cec 8641   / cqs 8642  Basecbs 17179  s cress 17200  1rcur 20162   RingHom crh 20449   RingIso crs 20450  𝑟 cric 20451  SubRingcsubrg 20546  RLRegcrlreg 20668  IDomncidom 20670  Fieldcfield 20707   ~RL cerl 33314   Frac cfrac 33363
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689  ax-cnex 11094  ax-resscn 11095  ax-1cn 11096  ax-icn 11097  ax-addcl 11098  ax-addrcl 11099  ax-mulcl 11100  ax-mulrcl 11101  ax-mulcom 11102  ax-addass 11103  ax-mulass 11104  ax-distr 11105  ax-i2m1 11106  ax-1ne0 11107  ax-1rid 11108  ax-rnegex 11109  ax-rrecex 11110  ax-cnre 11111  ax-pre-lttri 11112  ax-pre-lttrn 11113  ax-pre-ltadd 11114  ax-pre-mulgt0 11115
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3062  df-rmo 3342  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-pss 3909  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-tp 4572  df-op 4574  df-uni 4851  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-tr 5193  df-id 5526  df-eprel 5531  df-po 5539  df-so 5540  df-fr 5584  df-we 5586  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-pred 6265  df-ord 6326  df-on 6327  df-lim 6328  df-suc 6329  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-riota 7324  df-ov 7370  df-oprab 7371  df-mpo 7372  df-om 7818  df-1st 7942  df-2nd 7943  df-tpos 8176  df-frecs 8231  df-wrecs 8262  df-recs 8311  df-rdg 8349  df-1o 8405  df-er 8643  df-ec 8645  df-qs 8649  df-map 8775  df-en 8894  df-dom 8895  df-sdom 8896  df-fin 8897  df-sup 9355  df-inf 9356  df-pnf 11181  df-mnf 11182  df-xr 11183  df-ltxr 11184  df-le 11185  df-sub 11379  df-neg 11380  df-nn 12175  df-2 12244  df-3 12245  df-4 12246  df-5 12247  df-6 12248  df-7 12249  df-8 12250  df-9 12251  df-n0 12438  df-z 12525  df-dec 12645  df-uz 12789  df-fz 13462  df-struct 17117  df-sets 17134  df-slot 17152  df-ndx 17164  df-base 17180  df-ress 17201  df-plusg 17233  df-mulr 17234  df-sca 17236  df-vsca 17237  df-ip 17238  df-tset 17239  df-ple 17240  df-ds 17242  df-0g 17404  df-imas 17472  df-qus 17473  df-mgm 18608  df-sgrp 18687  df-mnd 18703  df-mhm 18751  df-submnd 18752  df-grp 18912  df-minusg 18913  df-sbg 18914  df-subg 19099  df-ghm 19188  df-cmn 19757  df-abl 19758  df-mgp 20122  df-rng 20134  df-ur 20163  df-ring 20216  df-cring 20217  df-oppr 20317  df-dvdsr 20337  df-unit 20338  df-invr 20368  df-rhm 20452  df-rim 20453  df-ric 20455  df-nzr 20490  df-subrng 20523  df-subrg 20547  df-rlreg 20671  df-domn 20672  df-idom 20673  df-drng 20708  df-field 20709  df-erl 33316  df-rloc 33317  df-frac 33364
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator