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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 11786 analog). (Contributed by NM, 19-Apr-2014.) |
| Ref | Expression |
|---|---|
| drnginvrcl.b | ⊢ 𝐵 = (Base‘𝑅) |
| drnginvrcl.z | ⊢ 0 = (0g‘𝑅) |
| drnginvrcl.i | ⊢ 𝐼 = (invr‘𝑅) |
| Ref | Expression |
|---|---|
| drnginvrcl | ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | drnginvrcl.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | eqid 2729 | . . . 4 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
| 3 | drnginvrcl.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 4 | 1, 2, 3 | drngunit 20619 | . . 3 ⊢ (𝑅 ∈ DivRing → (𝑋 ∈ (Unit‘𝑅) ↔ (𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ))) |
| 5 | drngring 20621 | . . . 4 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) | |
| 6 | drnginvrcl.i | . . . . . 6 ⊢ 𝐼 = (invr‘𝑅) | |
| 7 | 2, 6, 1 | ringinvcl 20277 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Unit‘𝑅)) → (𝐼‘𝑋) ∈ 𝐵) |
| 8 | 7 | ex 412 | . . . 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 260 | . 2 ⊢ (𝑅 ∈ DivRing → ((𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵)) |
| 11 | 10 | 3impib 1116 | 1 ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 ‘cfv 6482 Basecbs 17120 0gc0g 17343 Ringcrg 20118 Unitcui 20240 invrcinvr 20272 DivRingcdr 20614 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-2nd 7925 df-tpos 8159 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-er 8625 df-en 8873 df-dom 8874 df-sdom 8875 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-nn 12129 df-2 12191 df-3 12192 df-sets 17075 df-slot 17093 df-ndx 17105 df-base 17121 df-ress 17142 df-plusg 17174 df-mulr 17175 df-0g 17345 df-mgm 18514 df-sgrp 18593 df-mnd 18609 df-grp 18815 df-minusg 18816 df-cmn 19661 df-abl 19662 df-mgp 20026 df-rng 20038 df-ur 20067 df-ring 20120 df-oppr 20222 df-dvdsr 20242 df-unit 20243 df-invr 20273 df-drng 20616 |
| This theorem is referenced by: drnginvrcld 20640 drngmul0orOLD 20646 sdrgacs 20686 cntzsdrg 20687 abvrec 20713 abvdiv 20714 lvecvs0or 21015 lssvs0or 21017 lvecinv 21020 lspsnvs 21021 lspfixed 21035 lspexch 21036 lspsolv 21050 drngnidl 21150 sdrginvcl 33239 matunitlindflem1 37600 lfl1 39053 eqlkr3 39084 lkrlsp 39085 tendoinvcl 41087 dochkr1 41461 dochkr1OLDN 41462 lcfl7lem 41482 lclkrlem2m 41502 lclkrlem2o 41504 lclkrlem2p 41505 lcfrlem1 41525 lcfrlem2 41526 lcfrlem3 41527 lcfrlem29 41554 lcfrlem31 41556 lcfrlem33 41558 mapdpglem17N 41671 mapdpglem18 41672 mapdpglem19 41673 mapdpglem21 41675 mapdpglem22 41676 hdmapip1 41899 hgmapvvlem1 41906 hgmapvvlem2 41907 hgmapvvlem3 41908 prjspersym 42584 prjspnfv01 42601 prjspner01 42602 |
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