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Mirrors > Home > MPE Home > Th. List > Mathboxes > invginvrid | Structured version Visualization version GIF version |
Description: Identity for a multiplication with additive and multiplicative inverses in a ring. (Contributed by AV, 18-May-2018.) |
Ref | Expression |
---|---|
invginvrid.b | ⊢ 𝐵 = (Base‘𝑅) |
invginvrid.u | ⊢ 𝑈 = (Unit‘𝑅) |
invginvrid.n | ⊢ 𝑁 = (invg‘𝑅) |
invginvrid.i | ⊢ 𝐼 = (invr‘𝑅) |
invginvrid.t | ⊢ · = (.r‘𝑅) |
Ref | Expression |
---|---|
invginvrid | ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → ((𝑁‘𝑌) · ((𝐼‘(𝑁‘𝑌)) · 𝑋)) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2726 | . . . . 5 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
2 | 1 | ringmgp 20222 | . . . 4 ⊢ (𝑅 ∈ Ring → (mulGrp‘𝑅) ∈ Mnd) |
3 | 2 | 3ad2ant1 1130 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → (mulGrp‘𝑅) ∈ Mnd) |
4 | ringgrp 20221 | . . . . 5 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
5 | invginvrid.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
6 | invginvrid.u | . . . . . 6 ⊢ 𝑈 = (Unit‘𝑅) | |
7 | 5, 6 | unitcl 20357 | . . . . 5 ⊢ (𝑌 ∈ 𝑈 → 𝑌 ∈ 𝐵) |
8 | invginvrid.n | . . . . . 6 ⊢ 𝑁 = (invg‘𝑅) | |
9 | 5, 8 | grpinvcl 18982 | . . . . 5 ⊢ ((𝑅 ∈ Grp ∧ 𝑌 ∈ 𝐵) → (𝑁‘𝑌) ∈ 𝐵) |
10 | 4, 7, 9 | syl2an 594 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝑈) → (𝑁‘𝑌) ∈ 𝐵) |
11 | 10 | 3adant2 1128 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → (𝑁‘𝑌) ∈ 𝐵) |
12 | 6, 8 | unitnegcl 20379 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝑈) → (𝑁‘𝑌) ∈ 𝑈) |
13 | invginvrid.i | . . . . . 6 ⊢ 𝐼 = (invr‘𝑅) | |
14 | 6, 13, 5 | ringinvcl 20374 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁‘𝑌) ∈ 𝑈) → (𝐼‘(𝑁‘𝑌)) ∈ 𝐵) |
15 | 12, 14 | syldan 589 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝑈) → (𝐼‘(𝑁‘𝑌)) ∈ 𝐵) |
16 | 15 | 3adant2 1128 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → (𝐼‘(𝑁‘𝑌)) ∈ 𝐵) |
17 | simp2 1134 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → 𝑋 ∈ 𝐵) | |
18 | 1, 5 | mgpbas 20123 | . . . . 5 ⊢ 𝐵 = (Base‘(mulGrp‘𝑅)) |
19 | invginvrid.t | . . . . . 6 ⊢ · = (.r‘𝑅) | |
20 | 1, 19 | mgpplusg 20121 | . . . . 5 ⊢ · = (+g‘(mulGrp‘𝑅)) |
21 | 18, 20 | mndass 18736 | . . . 4 ⊢ (((mulGrp‘𝑅) ∈ Mnd ∧ ((𝑁‘𝑌) ∈ 𝐵 ∧ (𝐼‘(𝑁‘𝑌)) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) → (((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) · 𝑋) = ((𝑁‘𝑌) · ((𝐼‘(𝑁‘𝑌)) · 𝑋))) |
22 | 21 | eqcomd 2732 | . . 3 ⊢ (((mulGrp‘𝑅) ∈ Mnd ∧ ((𝑁‘𝑌) ∈ 𝐵 ∧ (𝐼‘(𝑁‘𝑌)) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) → ((𝑁‘𝑌) · ((𝐼‘(𝑁‘𝑌)) · 𝑋)) = (((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) · 𝑋)) |
23 | 3, 11, 16, 17, 22 | syl13anc 1369 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → ((𝑁‘𝑌) · ((𝐼‘(𝑁‘𝑌)) · 𝑋)) = (((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) · 𝑋)) |
24 | simp1 1133 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → 𝑅 ∈ Ring) | |
25 | 12 | 3adant2 1128 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → (𝑁‘𝑌) ∈ 𝑈) |
26 | eqid 2726 | . . . . 5 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
27 | 6, 13, 19, 26 | unitrinv 20376 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁‘𝑌) ∈ 𝑈) → ((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) = (1r‘𝑅)) |
28 | 24, 25, 27 | syl2anc 582 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → ((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) = (1r‘𝑅)) |
29 | 28 | oveq1d 7439 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → (((𝑁‘𝑌) · (𝐼‘(𝑁‘𝑌))) · 𝑋) = ((1r‘𝑅) · 𝑋)) |
30 | 5, 19, 26 | ringlidm 20248 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵) → ((1r‘𝑅) · 𝑋) = 𝑋) |
31 | 30 | 3adant3 1129 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → ((1r‘𝑅) · 𝑋) = 𝑋) |
32 | 23, 29, 31 | 3eqtrd 2770 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝑈) → ((𝑁‘𝑌) · ((𝐼‘(𝑁‘𝑌)) · 𝑋)) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 ∧ w3a 1084 = wceq 1534 ∈ wcel 2099 ‘cfv 6554 (class class class)co 7424 Basecbs 17213 .rcmulr 17267 Mndcmnd 18727 Grpcgrp 18928 invgcminusg 18929 mulGrpcmgp 20117 1rcur 20164 Ringcrg 20216 Unitcui 20337 invrcinvr 20369 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-rep 5290 ax-sep 5304 ax-nul 5311 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-cnex 11214 ax-resscn 11215 ax-1cn 11216 ax-icn 11217 ax-addcl 11218 ax-addrcl 11219 ax-mulcl 11220 ax-mulrcl 11221 ax-mulcom 11222 ax-addass 11223 ax-mulass 11224 ax-distr 11225 ax-i2m1 11226 ax-1ne0 11227 ax-1rid 11228 ax-rnegex 11229 ax-rrecex 11230 ax-cnre 11231 ax-pre-lttri 11232 ax-pre-lttrn 11233 ax-pre-ltadd 11234 ax-pre-mulgt0 11235 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3464 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3967 df-nul 4326 df-if 4534 df-pw 4609 df-sn 4634 df-pr 4636 df-op 4640 df-uni 4914 df-iun 5003 df-br 5154 df-opab 5216 df-mpt 5237 df-tr 5271 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6312 df-ord 6379 df-on 6380 df-lim 6381 df-suc 6382 df-iota 6506 df-fun 6556 df-fn 6557 df-f 6558 df-f1 6559 df-fo 6560 df-f1o 6561 df-fv 6562 df-riota 7380 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7877 df-2nd 8004 df-tpos 8241 df-frecs 8296 df-wrecs 8327 df-recs 8401 df-rdg 8440 df-er 8734 df-en 8975 df-dom 8976 df-sdom 8977 df-pnf 11300 df-mnf 11301 df-xr 11302 df-ltxr 11303 df-le 11304 df-sub 11496 df-neg 11497 df-nn 12265 df-2 12327 df-3 12328 df-sets 17166 df-slot 17184 df-ndx 17196 df-base 17214 df-ress 17243 df-plusg 17279 df-mulr 17280 df-0g 17456 df-mgm 18633 df-sgrp 18712 df-mnd 18728 df-grp 18931 df-minusg 18932 df-cmn 19780 df-abl 19781 df-mgp 20118 df-rng 20136 df-ur 20165 df-ring 20218 df-oppr 20316 df-dvdsr 20339 df-unit 20340 df-invr 20370 |
This theorem is referenced by: lincresunit3lem1 47862 |
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