Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  rloc1r Structured version   Visualization version   GIF version

Theorem rloc1r 33366
Description: The multiplicative identity of a ring localization. (Contributed by Thierry Arnoux, 4-May-2025.)
Hypotheses
Ref Expression
rloc0g.1 0 = (0g𝑅)
rloc0g.2 1 = (1r𝑅)
rloc0g.3 𝐿 = (𝑅 RLocal 𝑆)
rloc0g.4 = (𝑅 ~RL 𝑆)
rloc0g.5 (𝜑𝑅 ∈ CRing)
rloc0g.6 (𝜑𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
rloc1r.i 𝐼 = [⟨ 1 , 1 ⟩]
Assertion
Ref Expression
rloc1r (𝜑𝐼 = (1r𝐿))

Proof of Theorem rloc1r
Dummy variables 𝑎 𝑏 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 rloc1r.i . 2 𝐼 = [⟨ 1 , 1 ⟩]
2 eqid 2737 . . . . 5 (Base‘𝑅) = (Base‘𝑅)
3 eqid 2737 . . . . 5 (.r𝑅) = (.r𝑅)
4 eqid 2737 . . . . 5 (+g𝑅) = (+g𝑅)
5 rloc0g.3 . . . . 5 𝐿 = (𝑅 RLocal 𝑆)
6 rloc0g.4 . . . . 5 = (𝑅 ~RL 𝑆)
7 rloc0g.5 . . . . 5 (𝜑𝑅 ∈ CRing)
8 rloc0g.6 . . . . 5 (𝜑𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
92, 3, 4, 5, 6, 7, 8rloccring 33364 . . . 4 (𝜑𝐿 ∈ CRing)
109crngringd 20193 . . 3 (𝜑𝐿 ∈ Ring)
11 eqid 2737 . . . . . . . . . 10 (mulGrp‘𝑅) = (mulGrp‘𝑅)
1211, 2mgpbas 20092 . . . . . . . . 9 (Base‘𝑅) = (Base‘(mulGrp‘𝑅))
1312submss 18746 . . . . . . . 8 (𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) → 𝑆 ⊆ (Base‘𝑅))
148, 13syl 17 . . . . . . 7 (𝜑𝑆 ⊆ (Base‘𝑅))
15 rloc0g.2 . . . . . . . . . 10 1 = (1r𝑅)
1611, 15ringidval 20130 . . . . . . . . 9 1 = (0g‘(mulGrp‘𝑅))
1716subm0cl 18748 . . . . . . . 8 (𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)) → 1𝑆)
188, 17syl 17 . . . . . . 7 (𝜑1𝑆)
1914, 18sseldd 3936 . . . . . 6 (𝜑1 ∈ (Base‘𝑅))
2019, 18opelxpd 5671 . . . . 5 (𝜑 → ⟨ 1 , 1 ⟩ ∈ ((Base‘𝑅) × 𝑆))
216ovexi 7402 . . . . . 6 ∈ V
2221ecelqsi 8718 . . . . 5 (⟨ 1 , 1 ⟩ ∈ ((Base‘𝑅) × 𝑆) → [⟨ 1 , 1 ⟩] ∈ (((Base‘𝑅) × 𝑆) / ))
2320, 22syl 17 . . . 4 (𝜑 → [⟨ 1 , 1 ⟩] ∈ (((Base‘𝑅) × 𝑆) / ))
24 rloc0g.1 . . . . 5 0 = (0g𝑅)
25 eqid 2737 . . . . 5 (-g𝑅) = (-g𝑅)
26 eqid 2737 . . . . 5 ((Base‘𝑅) × 𝑆) = ((Base‘𝑅) × 𝑆)
272, 24, 3, 25, 26, 5, 6, 7, 14rlocbas 33361 . . . 4 (𝜑 → (((Base‘𝑅) × 𝑆) / ) = (Base‘𝐿))
2823, 27eleqtrd 2839 . . 3 (𝜑 → [⟨ 1 , 1 ⟩] ∈ (Base‘𝐿))
297ad4antr 733 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑅 ∈ CRing)
308ad4antr 733 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑆 ∈ (SubMnd‘(mulGrp‘𝑅)))
3119ad4antr 733 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 1 ∈ (Base‘𝑅))
32 simpllr 776 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑎 ∈ (Base‘𝑅))
3330, 17syl 17 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 1𝑆)
34 simplr 769 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑏𝑆)
35 eqid 2737 . . . . . . . . 9 (.r𝐿) = (.r𝐿)
362, 3, 4, 5, 6, 29, 30, 31, 32, 33, 34, 35rlocmulval 33363 . . . . . . . 8 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨ 1 , 1 ⟩] (.r𝐿)[⟨𝑎, 𝑏⟩] ) = [⟨( 1 (.r𝑅)𝑎), ( 1 (.r𝑅)𝑏)⟩] )
3729crngringd 20193 . . . . . . . . . . 11 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑅 ∈ Ring)
382, 3, 15, 37, 32ringlidmd 20219 . . . . . . . . . 10 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ( 1 (.r𝑅)𝑎) = 𝑎)
3930, 13syl 17 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑆 ⊆ (Base‘𝑅))
4039, 34sseldd 3936 . . . . . . . . . . 11 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑏 ∈ (Base‘𝑅))
412, 3, 15, 37, 40ringlidmd 20219 . . . . . . . . . 10 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ( 1 (.r𝑅)𝑏) = 𝑏)
4238, 41opeq12d 4839 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ⟨( 1 (.r𝑅)𝑎), ( 1 (.r𝑅)𝑏)⟩ = ⟨𝑎, 𝑏⟩)
4342eceq1d 8686 . . . . . . . 8 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → [⟨( 1 (.r𝑅)𝑎), ( 1 (.r𝑅)𝑏)⟩] = [⟨𝑎, 𝑏⟩] )
4436, 43eqtrd 2772 . . . . . . 7 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨ 1 , 1 ⟩] (.r𝐿)[⟨𝑎, 𝑏⟩] ) = [⟨𝑎, 𝑏⟩] )
45 simpr 484 . . . . . . . 8 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → 𝑥 = [⟨𝑎, 𝑏⟩] )
4645oveq2d 7384 . . . . . . 7 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = ([⟨ 1 , 1 ⟩] (.r𝐿)[⟨𝑎, 𝑏⟩] ))
4744, 46, 453eqtr4d 2782 . . . . . 6 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥)
4827eqcomd 2743 . . . . . . . . 9 (𝜑 → (Base‘𝐿) = (((Base‘𝑅) × 𝑆) / ))
4948eleq2d 2823 . . . . . . . 8 (𝜑 → (𝑥 ∈ (Base‘𝐿) ↔ 𝑥 ∈ (((Base‘𝑅) × 𝑆) / )))
5049biimpa 476 . . . . . . 7 ((𝜑𝑥 ∈ (Base‘𝐿)) → 𝑥 ∈ (((Base‘𝑅) × 𝑆) / ))
5150elrlocbasi 33360 . . . . . 6 ((𝜑𝑥 ∈ (Base‘𝐿)) → ∃𝑎 ∈ (Base‘𝑅)∃𝑏𝑆 𝑥 = [⟨𝑎, 𝑏⟩] )
5247, 51r19.29vva 3198 . . . . 5 ((𝜑𝑥 ∈ (Base‘𝐿)) → ([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥)
532, 3, 4, 5, 6, 29, 30, 32, 31, 34, 33, 35rlocmulval 33363 . . . . . . . 8 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨𝑎, 𝑏⟩] (.r𝐿)[⟨ 1 , 1 ⟩] ) = [⟨(𝑎(.r𝑅) 1 ), (𝑏(.r𝑅) 1 )⟩] )
542, 3, 15, 37, 32ringridmd 20220 . . . . . . . . . 10 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → (𝑎(.r𝑅) 1 ) = 𝑎)
552, 3, 15, 37, 40ringridmd 20220 . . . . . . . . . 10 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → (𝑏(.r𝑅) 1 ) = 𝑏)
5654, 55opeq12d 4839 . . . . . . . . 9 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ⟨(𝑎(.r𝑅) 1 ), (𝑏(.r𝑅) 1 )⟩ = ⟨𝑎, 𝑏⟩)
5756eceq1d 8686 . . . . . . . 8 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → [⟨(𝑎(.r𝑅) 1 ), (𝑏(.r𝑅) 1 )⟩] = [⟨𝑎, 𝑏⟩] )
5853, 57eqtrd 2772 . . . . . . 7 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → ([⟨𝑎, 𝑏⟩] (.r𝐿)[⟨ 1 , 1 ⟩] ) = [⟨𝑎, 𝑏⟩] )
5945oveq1d 7383 . . . . . . 7 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = ([⟨𝑎, 𝑏⟩] (.r𝐿)[⟨ 1 , 1 ⟩] ))
6058, 59, 453eqtr4d 2782 . . . . . 6 (((((𝜑𝑥 ∈ (Base‘𝐿)) ∧ 𝑎 ∈ (Base‘𝑅)) ∧ 𝑏𝑆) ∧ 𝑥 = [⟨𝑎, 𝑏⟩] ) → (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥)
6160, 51r19.29vva 3198 . . . . 5 ((𝜑𝑥 ∈ (Base‘𝐿)) → (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥)
6252, 61jca 511 . . . 4 ((𝜑𝑥 ∈ (Base‘𝐿)) → (([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥 ∧ (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥))
6362ralrimiva 3130 . . 3 (𝜑 → ∀𝑥 ∈ (Base‘𝐿)(([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥 ∧ (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥))
64 eqid 2737 . . . . 5 (Base‘𝐿) = (Base‘𝐿)
65 eqid 2737 . . . . 5 (1r𝐿) = (1r𝐿)
6664, 35, 65isringid 20218 . . . 4 (𝐿 ∈ Ring → (([⟨ 1 , 1 ⟩] ∈ (Base‘𝐿) ∧ ∀𝑥 ∈ (Base‘𝐿)(([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥 ∧ (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥)) ↔ (1r𝐿) = [⟨ 1 , 1 ⟩] ))
6766biimpa 476 . . 3 ((𝐿 ∈ Ring ∧ ([⟨ 1 , 1 ⟩] ∈ (Base‘𝐿) ∧ ∀𝑥 ∈ (Base‘𝐿)(([⟨ 1 , 1 ⟩] (.r𝐿)𝑥) = 𝑥 ∧ (𝑥(.r𝐿)[⟨ 1 , 1 ⟩] ) = 𝑥))) → (1r𝐿) = [⟨ 1 , 1 ⟩] )
6810, 28, 63, 67syl12anc 837 . 2 (𝜑 → (1r𝐿) = [⟨ 1 , 1 ⟩] )
691, 68eqtr4id 2791 1 (𝜑𝐼 = (1r𝐿))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1542  wcel 2114  wral 3052  wss 3903  cop 4588   × cxp 5630  cfv 6500  (class class class)co 7368  [cec 8643   / cqs 8644  Basecbs 17148  +gcplusg 17189  .rcmulr 17190  0gc0g 17371  SubMndcsubmnd 18719  -gcsg 18877  mulGrpcmgp 20087  1rcur 20128  Ringcrg 20180  CRingccrg 20181   ~RL cerl 33347   RLocal crloc 33348
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 2709  ax-rep 5226  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690  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 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-nel 3038  df-ral 3053  df-rex 3063  df-rmo 3352  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-tp 4587  df-op 4589  df-uni 4866  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5527  df-eprel 5532  df-po 5540  df-so 5541  df-fr 5585  df-we 5587  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-pred 6267  df-ord 6328  df-on 6329  df-lim 6330  df-suc 6331  df-iota 6456  df-fun 6502  df-fn 6503  df-f 6504  df-f1 6505  df-fo 6506  df-f1o 6507  df-fv 6508  df-riota 7325  df-ov 7371  df-oprab 7372  df-mpo 7373  df-om 7819  df-1st 7943  df-2nd 7944  df-frecs 8233  df-wrecs 8264  df-recs 8313  df-rdg 8351  df-1o 8407  df-er 8645  df-ec 8647  df-qs 8651  df-en 8896  df-dom 8897  df-sdom 8898  df-fin 8899  df-sup 9357  df-inf 9358  df-pnf 11180  df-mnf 11181  df-xr 11182  df-ltxr 11183  df-le 11184  df-sub 11378  df-neg 11379  df-nn 12158  df-2 12220  df-3 12221  df-4 12222  df-5 12223  df-6 12224  df-7 12225  df-8 12226  df-9 12227  df-n0 12414  df-z 12501  df-dec 12620  df-uz 12764  df-fz 13436  df-struct 17086  df-sets 17103  df-slot 17121  df-ndx 17133  df-base 17149  df-ress 17170  df-plusg 17202  df-mulr 17203  df-sca 17205  df-vsca 17206  df-ip 17207  df-tset 17208  df-ple 17209  df-ds 17211  df-0g 17373  df-imas 17441  df-qus 17442  df-mgm 18577  df-sgrp 18656  df-mnd 18672  df-submnd 18721  df-grp 18878  df-minusg 18879  df-sbg 18880  df-cmn 19723  df-abl 19724  df-mgp 20088  df-rng 20100  df-ur 20129  df-ring 20182  df-cring 20183  df-erl 33349  df-rloc 33350
This theorem is referenced by:  rlocf1  33367  fracfld  33402  zringfrac  33647
  Copyright terms: Public domain W3C validator