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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 11852 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 2762 | . . . 4 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
| 3 | drnginvrcl.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 4 | 1, 2, 3 | drngunit 20784 | . . 3 ⊢ (𝑅 ∈ DivRing → (𝑋 ∈ (Unit‘𝑅) ↔ (𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ))) |
| 5 | drngring 20786 | . . . 4 ⊢ (𝑅 ∈ DivRing → 𝑅 ∈ Ring) | |
| 6 | drnginvrcl.i | . . . . . 6 ⊢ 𝐼 = (invr‘𝑅) | |
| 7 | 2, 6, 1 | ringinvcl 20441 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Unit‘𝑅)) → (𝐼‘𝑋) ∈ 𝐵) |
| 8 | 7 | ex 416 | . . . 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 1129 | 1 ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1098 = wceq 1560 ∈ wcel 2142 ≠ wne 2957 ‘cfv 6521 Basecbs 17245 0gc0g 17468 Ringcrg 20283 Unitcui 20404 invrcinvr 20436 DivRingcdr 20779 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 ax-pre-mulgt0 11150 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-2nd 7971 df-tpos 8206 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11218 df-mnf 11219 df-xr 11220 df-ltxr 11221 df-le 11222 df-sub 11416 df-neg 11417 df-nn 12211 df-2 12280 df-3 12281 df-sets 17200 df-slot 17218 df-ndx 17230 df-base 17246 df-ress 17267 df-plusg 17299 df-mulr 17300 df-0g 17470 df-mgm 18674 df-sgrp 18753 df-mnd 18769 df-grp 18978 df-minusg 18979 df-cmn 19822 df-abl 19823 df-mgp 20187 df-rng 20199 df-ur 20232 df-ring 20285 df-oppr 20386 df-dvdsr 20406 df-unit 20407 df-invr 20437 df-drng 20781 |
| This theorem is referenced by: drnginvrcld 20805 drngmul0orOLD 20811 sdrgacs 20850 cntzsdrg 20851 abvrec 20877 abvdiv 20878 lvecvs0or 21178 lssvs0or 21180 lvecinv 21183 lspsnvs 21184 lspfixed 21198 lspexch 21199 lspsolv 21213 drngnidl 21313 sdrginvcl 33487 matunitlindflem1 38115 lfl1 39694 eqlkr3 39725 lkrlsp 39726 tendoinvcl 41728 dochkr1 42102 dochkr1OLDN 42103 lcfl7lem 42123 lclkrlem2m 42143 lclkrlem2o 42145 lclkrlem2p 42146 lcfrlem1 42166 lcfrlem2 42167 lcfrlem3 42168 lcfrlem29 42195 lcfrlem31 42197 lcfrlem33 42199 mapdpglem17N 42312 mapdpglem18 42313 mapdpglem19 42314 mapdpglem21 42316 mapdpglem22 42317 hdmapip1 42540 hgmapvvlem1 42547 hgmapvvlem2 42548 hgmapvvlem3 42549 prjspersym 43189 prjspnfv01 43206 prjspner01 43207 |
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