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| Mirrors > Home > MPE Home > Th. List > ringinvcl | Structured version Visualization version GIF version | ||
| Description: The inverse of a unit is an element of the ring. (Contributed by Mario Carneiro, 2-Dec-2014.) |
| Ref | Expression |
|---|---|
| unitinvcl.1 | ⊢ 𝑈 = (Unit‘𝑅) |
| unitinvcl.2 | ⊢ 𝐼 = (invr‘𝑅) |
| ringinvcl.3 | ⊢ 𝐵 = (Base‘𝑅) |
| Ref | Expression |
|---|---|
| ringinvcl | ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝑈) → (𝐼‘𝑋) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unitinvcl.1 | . . 3 ⊢ 𝑈 = (Unit‘𝑅) | |
| 2 | unitinvcl.2 | . . 3 ⊢ 𝐼 = (invr‘𝑅) | |
| 3 | 1, 2 | unitinvcl 20426 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝑈) → (𝐼‘𝑋) ∈ 𝑈) |
| 4 | ringinvcl.3 | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 5 | 4, 1 | unitcl 20411 | . 2 ⊢ ((𝐼‘𝑋) ∈ 𝑈 → (𝐼‘𝑋) ∈ 𝐵) |
| 6 | 3, 5 | syl 17 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝑈) → (𝐼‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ‘cfv 6516 Basecbs 17236 Ringcrg 20270 Unitcui 20391 invrcinvr 20423 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-2nd 7966 df-tpos 8200 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-2 12274 df-3 12275 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-ress 17258 df-plusg 17290 df-mulr 17291 df-0g 17461 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-grp 18969 df-minusg 18970 df-cmn 19813 df-abl 19814 df-mgp 20178 df-rng 20190 df-ur 20219 df-ring 20272 df-oppr 20373 df-dvdsr 20393 df-unit 20394 df-invr 20424 |
| This theorem is referenced by: 1rinv 20431 0unit 20432 ringunitnzdiv 20434 dvrcl 20440 dvrass 20444 dvrcan1 20445 ringinvdv 20450 subrguss 20624 subrginv 20625 subrgunit 20627 unitrrg 20740 drnginvrcl 20790 issubdrg 20817 ornglmullt 20906 matinv 22725 matunit 22726 slesolinv 22728 slesolinvbi 22729 slesolex 22730 nminvr 24717 nmdvr 24718 nrginvrcnlem 24739 ply1divalg 26186 uc1pmon1p 26200 dchrn0 27302 kerunit 33472 dvdsruassoi 33531 unitmulrprm 33685 invginvrid 48950 lincresunit3lem3 49057 lincresunitlem1 49058 |
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