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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 7446 | . . . . 5 ⊢ 𝑈 ∈ V |
| 3 | 2 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑈 ∈ V) |
| 4 | 1 | uvcf1o 22132 | . . . . . 6 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊) → 𝑈:𝐼–1-1-onto→ran 𝑈) |
| 5 | f1oeq1 6804 | . . . . . . . . 9 ⊢ (𝑈 = 𝑢 → (𝑈:𝐼–1-1-onto→ran 𝑈 ↔ 𝑢:𝐼–1-1-onto→ran 𝑈)) | |
| 6 | 5 | eqcoms 2769 | . . . . . . . 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 3550 | . . 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 8967 | . 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 1570 ∃wex 1812 ∈ wcel 2145 Vcvv 3451 class class class wbr 5103 ran crn 5652 –1-1-onto→wf1o 6530 (class class class)co 7412 ≈ cen 8954 NzRingcnzr 20742 unitVec cuvc 22068 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-supp 8162 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-map 8833 df-ixp 8910 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-fsupp 9338 df-sup 9418 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-2 12386 df-3 12387 df-4 12388 df-5 12389 df-6 12390 df-7 12391 df-8 12392 df-9 12393 df-n0 12588 df-z 12675 df-dec 12796 df-uz 12947 df-fz 13621 df-struct 17305 df-sets 17322 df-slot 17340 df-ndx 17352 df-base 17368 df-ress 17389 df-plusg 17421 df-mulr 17422 df-sca 17424 df-vsca 17425 df-ip 17426 df-tset 17427 df-ple 17428 df-ds 17430 df-hom 17432 df-cco 17433 df-0g 17592 df-prds 17598 df-pws 17600 df-mgm 18796 df-sgrp 18888 df-mnd 18904 df-grp 19127 df-mgp 20341 df-ur 20388 df-ring 20441 df-nzr 20743 df-sra 21428 df-rgmod 21429 df-dsmm 22018 df-frlm 22033 df-uvc 22069 |
| This theorem is used by: frlmisfrlm 22134 lindsdom 22136 aacllem 50883 |
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