Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > drngdimgt0 | Structured version Visualization version GIF version |
Description: The dimension of a vector space that is also a division ring is greater than zero. (Contributed by Thierry Arnoux, 29-Jul-2023.) |
Ref | Expression |
---|---|
drngdimgt0 | ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 0 < (dim‘𝐹)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1m1e0 12095 | . 2 ⊢ (1 − 1) = 0 | |
2 | simpl 484 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 𝐹 ∈ LVec) | |
3 | simpr 486 | . . . . . 6 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 𝐹 ∈ DivRing) | |
4 | drngring 20047 | . . . . . 6 ⊢ (𝐹 ∈ DivRing → 𝐹 ∈ Ring) | |
5 | eqid 2736 | . . . . . . 7 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
6 | eqid 2736 | . . . . . . 7 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
7 | 5, 6 | ringidcl 19856 | . . . . . 6 ⊢ (𝐹 ∈ Ring → (1r‘𝐹) ∈ (Base‘𝐹)) |
8 | 3, 4, 7 | 3syl 18 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (1r‘𝐹) ∈ (Base‘𝐹)) |
9 | eqid 2736 | . . . . . . 7 ⊢ (0g‘𝐹) = (0g‘𝐹) | |
10 | 9, 6 | drngunz 20055 | . . . . . 6 ⊢ (𝐹 ∈ DivRing → (1r‘𝐹) ≠ (0g‘𝐹)) |
11 | 10 | adantl 483 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (1r‘𝐹) ≠ (0g‘𝐹)) |
12 | eqid 2736 | . . . . . 6 ⊢ (LSpan‘𝐹) = (LSpan‘𝐹) | |
13 | eqid 2736 | . . . . . 6 ⊢ (𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)})) = (𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)})) | |
14 | 5, 12, 9, 13 | lsatdim 31749 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ (1r‘𝐹) ∈ (Base‘𝐹) ∧ (1r‘𝐹) ≠ (0g‘𝐹)) → (dim‘(𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)}))) = 1) |
15 | 2, 8, 11, 14 | syl3anc 1371 | . . . 4 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (dim‘(𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)}))) = 1) |
16 | lveclmod 20417 | . . . . . . 7 ⊢ (𝐹 ∈ LVec → 𝐹 ∈ LMod) | |
17 | 16 | adantr 482 | . . . . . 6 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 𝐹 ∈ LMod) |
18 | 8 | snssd 4748 | . . . . . 6 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → {(1r‘𝐹)} ⊆ (Base‘𝐹)) |
19 | eqid 2736 | . . . . . . 7 ⊢ (LSubSp‘𝐹) = (LSubSp‘𝐹) | |
20 | 5, 19, 12 | lspcl 20287 | . . . . . 6 ⊢ ((𝐹 ∈ LMod ∧ {(1r‘𝐹)} ⊆ (Base‘𝐹)) → ((LSpan‘𝐹)‘{(1r‘𝐹)}) ∈ (LSubSp‘𝐹)) |
21 | 17, 18, 20 | syl2anc 585 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → ((LSpan‘𝐹)‘{(1r‘𝐹)}) ∈ (LSubSp‘𝐹)) |
22 | 13 | lssdimle 31740 | . . . . 5 ⊢ ((𝐹 ∈ LVec ∧ ((LSpan‘𝐹)‘{(1r‘𝐹)}) ∈ (LSubSp‘𝐹)) → (dim‘(𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)}))) ≤ (dim‘𝐹)) |
23 | 2, 21, 22 | syl2anc 585 | . . . 4 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (dim‘(𝐹 ↾s ((LSpan‘𝐹)‘{(1r‘𝐹)}))) ≤ (dim‘𝐹)) |
24 | 15, 23 | eqbrtrrd 5105 | . . 3 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 1 ≤ (dim‘𝐹)) |
25 | 1nn0 12299 | . . . 4 ⊢ 1 ∈ ℕ0 | |
26 | dimcl 31737 | . . . . 5 ⊢ (𝐹 ∈ LVec → (dim‘𝐹) ∈ ℕ0*) | |
27 | 26 | adantr 482 | . . . 4 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (dim‘𝐹) ∈ ℕ0*) |
28 | xnn0lem1lt 13028 | . . . 4 ⊢ ((1 ∈ ℕ0 ∧ (dim‘𝐹) ∈ ℕ0*) → (1 ≤ (dim‘𝐹) ↔ (1 − 1) < (dim‘𝐹))) | |
29 | 25, 27, 28 | sylancr 588 | . . 3 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (1 ≤ (dim‘𝐹) ↔ (1 − 1) < (dim‘𝐹))) |
30 | 24, 29 | mpbid 231 | . 2 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → (1 − 1) < (dim‘𝐹)) |
31 | 1, 30 | eqbrtrrid 5117 | 1 ⊢ ((𝐹 ∈ LVec ∧ 𝐹 ∈ DivRing) → 0 < (dim‘𝐹)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1539 ∈ wcel 2104 ≠ wne 2941 ⊆ wss 3892 {csn 4565 class class class wbr 5081 ‘cfv 6458 (class class class)co 7307 0cc0 10921 1c1 10922 < clt 11059 ≤ cle 11060 − cmin 11255 ℕ0cn0 12283 ℕ0*cxnn0 12355 Basecbs 16961 ↾s cress 16990 0gc0g 17199 1rcur 19786 Ringcrg 19832 DivRingcdr 20040 LModclmod 20172 LSubSpclss 20242 LSpanclspn 20282 LVecclvec 20413 dimcldim 31733 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-reg 9399 ax-inf2 9447 ax-ac2 10269 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-iin 4934 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-se 5556 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-isom 6467 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-rpss 7608 df-om 7745 df-1st 7863 df-2nd 7864 df-tpos 8073 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-oadd 8332 df-er 8529 df-map 8648 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-oi 9317 df-r1 9570 df-rank 9571 df-dju 9707 df-card 9745 df-acn 9748 df-ac 9922 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-5 12089 df-6 12090 df-7 12091 df-8 12092 df-9 12093 df-n0 12284 df-xnn0 12356 df-z 12370 df-dec 12488 df-uz 12633 df-fz 13290 df-hash 14095 df-struct 16897 df-sets 16914 df-slot 16932 df-ndx 16944 df-base 16962 df-ress 16991 df-plusg 17024 df-mulr 17025 df-sca 17027 df-vsca 17028 df-tset 17030 df-ple 17031 df-ocomp 17032 df-0g 17201 df-mre 17344 df-mrc 17345 df-mri 17346 df-acs 17347 df-proset 18062 df-drs 18063 df-poset 18080 df-ipo 18295 df-mgm 18375 df-sgrp 18424 df-mnd 18435 df-submnd 18480 df-grp 18629 df-minusg 18630 df-sbg 18631 df-subg 18801 df-cmn 19437 df-abl 19438 df-mgp 19770 df-ur 19787 df-ring 19834 df-oppr 19911 df-dvdsr 19932 df-unit 19933 df-invr 19963 df-drng 20042 df-lmod 20174 df-lss 20243 df-lsp 20283 df-lbs 20386 df-lvec 20414 df-nzr 20578 df-lindf 21062 df-linds 21063 df-dim 31734 |
This theorem is referenced by: extdggt0 31781 |
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