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| Mirrors > Home > MPE Home > Th. List > drnginvrcld | Structured version Visualization version GIF version | ||
| Description: Closure of the multiplicative inverse in a division ring. (reccld 11983 analog). (Contributed by SN, 14-Aug-2024.) |
| Ref | Expression |
|---|---|
| drnginvrcl.b | ⊢ 𝐵 = (Base‘𝑅) |
| drnginvrcl.z | ⊢ 0 = (0g‘𝑅) |
| drnginvrcl.i | ⊢ 𝐼 = (invr‘𝑅) |
| drnginvrcld.r | ⊢ (𝜑 → 𝑅 ∈ DivRing) |
| drnginvrcld.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| drnginvrcld.1 | ⊢ (𝜑 → 𝑋 ≠ 0 ) |
| Ref | Expression |
|---|---|
| drnginvrcld | ⊢ (𝜑 → (𝐼‘𝑋) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | drnginvrcld.r | . 2 ⊢ (𝜑 → 𝑅 ∈ DivRing) | |
| 2 | drnginvrcld.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 3 | drnginvrcld.1 | . 2 ⊢ (𝜑 → 𝑋 ≠ 0 ) | |
| 4 | drnginvrcl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 5 | drnginvrcl.z | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 6 | drnginvrcl.i | . . 3 ⊢ 𝐼 = (invr‘𝑅) | |
| 7 | 4, 5, 6 | drnginvrcl 20835 | . 2 ⊢ ((𝑅 ∈ DivRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑋 ≠ 0 ) → (𝐼‘𝑋) ∈ 𝐵) |
| 8 | 1, 2, 3, 7 | syl3anc 1396 | 1 ⊢ (𝜑 → (𝐼‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 ‘cfv 6537 Basecbs 17268 0gc0g 17491 invrcinvr 20468 DivRingcdr 20812 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7862 df-2nd 7986 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-3 12303 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-ress 17290 df-plusg 17322 df-mulr 17323 df-0g 17493 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-grp 19002 df-minusg 19003 df-cmn 19851 df-abl 19852 df-mgp 20216 df-rng 20230 df-ur 20263 df-ring 20316 df-oppr 20418 df-dvdsr 20438 df-unit 20439 df-invr 20469 df-drng 20814 |
| This theorem is referenced by: fxpsdrg 33435 qsdrnglem2 33722 irngnzply1lem 34024 drnginvmuld 43186 prjspner1 43249 |
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