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Mirrors > Home > MPE Home > Th. List > drnginvrcl | Structured version Visualization version GIF version |
Description: Closure of the multiplicative inverse in a division ring. (reccl 11299 analog.) (Contributed by NM, 19-Apr-2014.) |
Ref | Expression |
---|---|
invrcl.b | ⊢ 𝐵 = (Base‘𝑅) |
invrcl.z | ⊢ 0 = (0g‘𝑅) |
invrcl.i | ⊢ 𝐼 = (invr‘𝑅) |
Ref | Expression |
---|---|
drnginvrcl | ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | invrcl.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
2 | eqid 2821 | . . . 4 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
3 | invrcl.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
4 | 1, 2, 3 | drngunit 19501 | . . 3 ⊢ (𝑅 ∈ DivRing → (𝑋 ∈ (Unit‘𝑅) ↔ (𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ))) |
5 | drngring 19503 | . . . 4 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) | |
6 | invrcl.i | . . . . . 6 ⊢ 𝐼 = (invr‘𝑅) | |
7 | 2, 6, 1 | ringinvcl 19420 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Unit‘𝑅)) → (𝐼‘𝑋) ∈ 𝐵) |
8 | 7 | ex 415 | . . . 4 ⊢ (𝑅 ∈ Ring → (𝑋 ∈ (Unit‘𝑅) → (𝐼‘𝑋) ∈ 𝐵)) |
9 | 5, 8 | syl 17 | . . 3 ⊢ (𝑅 ∈ DivRing → (𝑋 ∈ (Unit‘𝑅) → (𝐼‘𝑋) ∈ 𝐵)) |
10 | 4, 9 | sylbird 262 | . 2 ⊢ (𝑅 ∈ DivRing → ((𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵)) |
11 | 10 | 3impib 1112 | 1 ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 = wceq 1533 ∈ wcel 2110 ≠ wne 3016 ‘cfv 6349 Basecbs 16477 0gc0g 16707 Ringcrg 19291 Unitcui 19383 invrcinvr 19415 DivRingcdr 19496 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5182 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-pred 6142 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-tpos 7886 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-3 11695 df-ndx 16480 df-slot 16481 df-base 16483 df-sets 16484 df-ress 16485 df-plusg 16572 df-mulr 16573 df-0g 16709 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-grp 18100 df-minusg 18101 df-mgp 19234 df-ur 19246 df-ring 19293 df-oppr 19367 df-dvdsr 19385 df-unit 19386 df-invr 19416 df-drng 19498 |
This theorem is referenced by: drngmul0or 19517 sdrgacs 19574 cntzsdrg 19575 abvrec 19601 abvdiv 19602 lvecvs0or 19874 lssvs0or 19876 lvecinv 19879 lspsnvs 19880 lspfixed 19894 lspexch 19895 lspsolv 19909 drngnidl 19996 matunitlindflem1 34882 lfl1 36200 eqlkr3 36231 lkrlsp 36232 tendoinvcl 38234 dochkr1 38608 dochkr1OLDN 38609 lcfl7lem 38629 lclkrlem2m 38649 lclkrlem2o 38651 lclkrlem2p 38652 lcfrlem1 38672 lcfrlem2 38673 lcfrlem3 38674 lcfrlem29 38701 lcfrlem31 38703 lcfrlem33 38705 mapdpglem17N 38818 mapdpglem18 38819 mapdpglem19 38820 mapdpglem21 38822 mapdpglem22 38823 hdmapip1 39046 hgmapvvlem1 39053 hgmapvvlem2 39054 hgmapvvlem3 39055 prjspersym 39250 |
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