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| Mirrors > Home > ILE Home > Th. List > unitgrpbasd | GIF version | ||
| Description: The base set of the group of units. (Contributed by Mario Carneiro, 25-Dec-2014.) |
| Ref | Expression |
|---|---|
| unitgrpbasd.u | ⊢ (𝜑 → 𝑈 = (Unit‘𝑅)) |
| unitgrpbasd.g | ⊢ (𝜑 → 𝐺 = ((mulGrp‘𝑅) ↾s 𝑈)) |
| unitgrpbasd.r | ⊢ (𝜑 → 𝑅 ∈ SRing) |
| Ref | Expression |
|---|---|
| unitgrpbasd | ⊢ (𝜑 → 𝑈 = (Base‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unitgrpbasd.g | . 2 ⊢ (𝜑 → 𝐺 = ((mulGrp‘𝑅) ↾s 𝑈)) | |
| 2 | unitgrpbasd.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ SRing) | |
| 3 | eqid 2238 | . . . 4 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 4 | eqid 2238 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 5 | 3, 4 | mgpbasg 14207 | . . 3 ⊢ (𝑅 ∈ SRing → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 6 | 2, 5 | syl 14 | . 2 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 7 | 3 | mgpex 14206 | . . 3 ⊢ (𝑅 ∈ SRing → (mulGrp‘𝑅) ∈ V) |
| 8 | 2, 7 | syl 14 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ V) |
| 9 | eqidd 2239 | . . 3 ⊢ (𝜑 → (Base‘𝑅) = (Base‘𝑅)) | |
| 10 | unitgrpbasd.u | . . 3 ⊢ (𝜑 → 𝑈 = (Unit‘𝑅)) | |
| 11 | 9, 10, 2 | unitssd 14399 | . 2 ⊢ (𝜑 → 𝑈 ⊆ (Base‘𝑅)) |
| 12 | 1, 6, 8, 11 | ressbas2d 13405 | 1 ⊢ (𝜑 → 𝑈 = (Base‘𝐺)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ‘cfv 5375 (class class class)co 6079 Basecbs 13335 ↾s cress 13336 mulGrpcmgp 14200 SRingcsrg 14250 Unitcui 14376 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-sets 13342 df-iress 13343 df-plusg 13427 df-mulr 13428 df-0g 13595 df-mgm 13659 df-sgrp 13700 df-mnd 13713 df-mgp 14201 df-srg 14251 df-dvdsr 14378 df-unit 14379 |
| This theorem is referenced by: unitgrp 14406 unitinvcl 14413 unitinvinv 14414 unitlinv 14416 unitrinv 14417 rdivmuldivd 14434 invrpropdg 14439 rhmunitinv 14468 subrgugrp 14531 |
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