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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 2177 | . . . 4 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
4 | eqid 2177 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
5 | 3, 4 | mgpbasg 13141 | . . 3 ⊢ (𝑅 ∈ SRing → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
6 | 2, 5 | syl 14 | . 2 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
7 | 3 | mgpex 13140 | . . 3 ⊢ (𝑅 ∈ SRing → (mulGrp‘𝑅) ∈ V) |
8 | 2, 7 | syl 14 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ V) |
9 | eqidd 2178 | . . 3 ⊢ (𝜑 → (Base‘𝑅) = (Base‘𝑅)) | |
10 | unitgrpbasd.u | . . 3 ⊢ (𝜑 → 𝑈 = (Unit‘𝑅)) | |
11 | 9, 10, 2 | unitssd 13283 | . 2 ⊢ (𝜑 → 𝑈 ⊆ (Base‘𝑅)) |
12 | 1, 6, 8, 11 | ressbas2d 12530 | 1 ⊢ (𝜑 → 𝑈 = (Base‘𝐺)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1353 ∈ wcel 2148 Vcvv 2739 ‘cfv 5218 (class class class)co 5877 Basecbs 12464 ↾s cress 12465 mulGrpcmgp 13135 SRingcsrg 13151 Unitcui 13261 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-cnex 7904 ax-resscn 7905 ax-1cn 7906 ax-1re 7907 ax-icn 7908 ax-addcl 7909 ax-addrcl 7910 ax-mulcl 7911 ax-addcom 7913 ax-addass 7915 ax-i2m1 7918 ax-0lt1 7919 ax-0id 7921 ax-rnegex 7922 ax-pre-ltirr 7925 ax-pre-ltadd 7929 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-fv 5226 df-riota 5833 df-ov 5880 df-oprab 5881 df-mpo 5882 df-pnf 7996 df-mnf 7997 df-ltxr 7999 df-inn 8922 df-2 8980 df-3 8981 df-ndx 12467 df-slot 12468 df-base 12470 df-sets 12471 df-iress 12472 df-plusg 12551 df-mulr 12552 df-0g 12712 df-mgm 12780 df-sgrp 12813 df-mnd 12823 df-mgp 13136 df-srg 13152 df-dvdsr 13263 df-unit 13264 |
This theorem is referenced by: unitgrp 13290 unitinvcl 13297 unitinvinv 13298 unitlinv 13300 unitrinv 13301 rdivmuldivd 13318 invrpropdg 13323 subrgugrp 13366 |
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