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| Mirrors > Home > MPE Home > Th. List > uvcendim | Structured version Visualization version GIF version | ||
| Description: In a nonzero ring, the number of unit vectors of a free module corresponds to the dimension of the free module. (Contributed by AV, 10-Mar-2019.) |
| Ref | Expression |
|---|---|
| uvcf1o.u | ⊢ 𝑈 = (𝑅 unitVec 𝐼) |
| Ref | Expression |
|---|---|
| uvcendim | ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝐼 ≈ ran 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uvcf1o.u | . . . . . 6 ⊢ 𝑈 = (𝑅 unitVec 𝐼) | |
| 2 | 1 | ovexi 7454 | . . . . 5 ⊢ 𝑈 ∈ V |
| 3 | 2 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑈 ∈ V) |
| 4 | 1 | uvcf1o 22157 | . . . . . 6 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑈:𝐼–1-1-onto→ran 𝑈) |
| 5 | f1oeq1 6812 | . . . . . . . . 9 ⊢ (𝑈 = 𝑢 → (𝑈:𝐼–1-1-onto→ran 𝑈 ↔ 𝑢:𝐼–1-1-onto→ran 𝑈)) | |
| 6 | 5 | eqcoms 2768 | . . . . . . . 8 ⊢ (𝑢 = 𝑈 → (𝑈:𝐼–1-1-onto→ran 𝑈 ↔ 𝑢:𝐼–1-1-onto→ran 𝑈)) |
| 7 | 6 | biimpd 232 | . . . . . . 7 ⊢ (𝑢 = 𝑈 → (𝑈:𝐼–1-1-onto→ran 𝑈 → 𝑢:𝐼–1-1-onto→ran 𝑈)) |
| 8 | 7 | a1i 11 | . . . . . 6 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → (𝑢 = 𝑈 → (𝑈:𝐼–1-1-onto→ran 𝑈 → 𝑢:𝐼–1-1-onto→ran 𝑈))) |
| 9 | 4, 8 | syl7 75 | . . . . 5 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → (𝑢 = 𝑈 → ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑢:𝐼–1-1-onto→ran 𝑈))) |
| 10 | 9 | imp 412 | . . . 4 ⊢ (((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) ∧ 𝑢 = 𝑈) → ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑢:𝐼–1-1-onto→ran 𝑈)) |
| 11 | 3, 10 | spcimedv 3549 | . . 3 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → ∃𝑢 𝑢:𝐼–1-1-onto→ran 𝑈)) |
| 12 | 11 | pm2.43i 53 | . 2 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → ∃𝑢 𝑢:𝐼–1-1-onto→ran 𝑈) |
| 13 | bren 8986 | . 2 ⊢ (𝐼 ≈ ran 𝑈 ↔ ∃𝑢 𝑢:𝐼–1-1-onto→ran 𝑈) | |
| 14 | 12, 13 | sylibr 237 | 1 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝐼 ≈ ran 𝑈) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1569 ∃wex 1811 ∈ wcel 2144 Vcvv 3450 class class class wbr 5102 ran crn 5651 –1-1-onto→wf1o 6537 (class class class)co 7420 ≈ cen 8973 NzRingcnzr 20767 unitVec cuvc 22093 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-supp 8180 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-1o 8479 df-er 8720 df-map 8852 df-ixp 8929 df-en 8977 df-dom 8978 df-sdom 8979 df-fin 8980 df-fsupp 9357 df-sup 9437 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-2 12408 df-3 12409 df-4 12410 df-5 12411 df-6 12412 df-7 12413 df-8 12414 df-9 12415 df-n0 12610 df-z 12697 df-dec 12818 df-uz 12969 df-fz 13643 df-struct 17330 df-sets 17347 df-slot 17365 df-ndx 17377 df-base 17393 df-ress 17414 df-plusg 17446 df-mulr 17447 df-sca 17449 df-vsca 17450 df-ip 17451 df-tset 17452 df-ple 17453 df-ds 17455 df-hom 17457 df-cco 17458 df-0g 17617 df-prds 17623 df-pws 17625 df-mgm 18821 df-sgrp 18913 df-mnd 18929 df-grp 19152 df-mgp 20366 df-ur 20413 df-ring 20466 df-nzr 20768 df-sra 21453 df-rgmod 21454 df-dsmm 22043 df-frlm 22058 df-uvc 22094 |
| This theorem is used by: frlmisfrlm 22159 lindsdom 22161 aacllem 51107 |
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