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Mirrors > Home > MPE Home > Th. List > Mathboxes > lsatn0 | Structured version Visualization version GIF version |
Description: A 1-dim subspace (atom) of a left module or left vector space is nonzero. (atne0 30049 analog.) (Contributed by NM, 25-Aug-2014.) |
Ref | Expression |
---|---|
lsatn0.o | ⊢ 0 = (0g‘𝑊) |
lsatn0.a | ⊢ 𝐴 = (LSAtoms‘𝑊) |
lsatn0.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
lsatn0.u | ⊢ (𝜑 → 𝑈 ∈ 𝐴) |
Ref | Expression |
---|---|
lsatn0 | ⊢ (𝜑 → 𝑈 ≠ { 0 }) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lsatn0.u | . . 3 ⊢ (𝜑 → 𝑈 ∈ 𝐴) | |
2 | lsatn0.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
3 | eqid 2818 | . . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
4 | eqid 2818 | . . . . 5 ⊢ (LSpan‘𝑊) = (LSpan‘𝑊) | |
5 | lsatn0.o | . . . . 5 ⊢ 0 = (0g‘𝑊) | |
6 | lsatn0.a | . . . . 5 ⊢ 𝐴 = (LSAtoms‘𝑊) | |
7 | 3, 4, 5, 6 | islsat 36007 | . . . 4 ⊢ (𝑊 ∈ LMod → (𝑈 ∈ 𝐴 ↔ ∃𝑣 ∈ ((Base‘𝑊) ∖ { 0 })𝑈 = ((LSpan‘𝑊)‘{𝑣}))) |
8 | 2, 7 | syl 17 | . . 3 ⊢ (𝜑 → (𝑈 ∈ 𝐴 ↔ ∃𝑣 ∈ ((Base‘𝑊) ∖ { 0 })𝑈 = ((LSpan‘𝑊)‘{𝑣}))) |
9 | 1, 8 | mpbid 233 | . 2 ⊢ (𝜑 → ∃𝑣 ∈ ((Base‘𝑊) ∖ { 0 })𝑈 = ((LSpan‘𝑊)‘{𝑣})) |
10 | eldifsn 4711 | . . . . 5 ⊢ (𝑣 ∈ ((Base‘𝑊) ∖ { 0 }) ↔ (𝑣 ∈ (Base‘𝑊) ∧ 𝑣 ≠ 0 )) | |
11 | 3, 5, 4 | lspsneq0 19713 | . . . . . . . . 9 ⊢ ((𝑊 ∈ LMod ∧ 𝑣 ∈ (Base‘𝑊)) → (((LSpan‘𝑊)‘{𝑣}) = { 0 } ↔ 𝑣 = 0 )) |
12 | 2, 11 | sylan 580 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑣 ∈ (Base‘𝑊)) → (((LSpan‘𝑊)‘{𝑣}) = { 0 } ↔ 𝑣 = 0 )) |
13 | 12 | biimpd 230 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑣 ∈ (Base‘𝑊)) → (((LSpan‘𝑊)‘{𝑣}) = { 0 } → 𝑣 = 0 )) |
14 | 13 | necon3d 3034 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ (Base‘𝑊)) → (𝑣 ≠ 0 → ((LSpan‘𝑊)‘{𝑣}) ≠ { 0 })) |
15 | 14 | expimpd 454 | . . . . 5 ⊢ (𝜑 → ((𝑣 ∈ (Base‘𝑊) ∧ 𝑣 ≠ 0 ) → ((LSpan‘𝑊)‘{𝑣}) ≠ { 0 })) |
16 | 10, 15 | syl5bi 243 | . . . 4 ⊢ (𝜑 → (𝑣 ∈ ((Base‘𝑊) ∖ { 0 }) → ((LSpan‘𝑊)‘{𝑣}) ≠ { 0 })) |
17 | neeq1 3075 | . . . . 5 ⊢ (𝑈 = ((LSpan‘𝑊)‘{𝑣}) → (𝑈 ≠ { 0 } ↔ ((LSpan‘𝑊)‘{𝑣}) ≠ { 0 })) | |
18 | 17 | biimprcd 251 | . . . 4 ⊢ (((LSpan‘𝑊)‘{𝑣}) ≠ { 0 } → (𝑈 = ((LSpan‘𝑊)‘{𝑣}) → 𝑈 ≠ { 0 })) |
19 | 16, 18 | syl6 35 | . . 3 ⊢ (𝜑 → (𝑣 ∈ ((Base‘𝑊) ∖ { 0 }) → (𝑈 = ((LSpan‘𝑊)‘{𝑣}) → 𝑈 ≠ { 0 }))) |
20 | 19 | rexlimdv 3280 | . 2 ⊢ (𝜑 → (∃𝑣 ∈ ((Base‘𝑊) ∖ { 0 })𝑈 = ((LSpan‘𝑊)‘{𝑣}) → 𝑈 ≠ { 0 })) |
21 | 9, 20 | mpd 15 | 1 ⊢ (𝜑 → 𝑈 ≠ { 0 }) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 = wceq 1528 ∈ wcel 2105 ≠ wne 3013 ∃wrex 3136 ∖ cdif 3930 {csn 4557 ‘cfv 6348 Basecbs 16471 0gc0g 16701 LModclmod 19563 LSpanclspn 19672 LSAtomsclsa 35990 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-rep 5181 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-cnex 10581 ax-resscn 10582 ax-1cn 10583 ax-icn 10584 ax-addcl 10585 ax-addrcl 10586 ax-mulcl 10587 ax-mulrcl 10588 ax-mulcom 10589 ax-addass 10590 ax-mulass 10591 ax-distr 10592 ax-i2m1 10593 ax-1ne0 10594 ax-1rid 10595 ax-rnegex 10596 ax-rrecex 10597 ax-cnre 10598 ax-pre-lttri 10599 ax-pre-lttrn 10600 ax-pre-ltadd 10601 ax-pre-mulgt0 10602 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-nel 3121 df-ral 3140 df-rex 3141 df-reu 3142 df-rmo 3143 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4831 df-int 4868 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7103 df-ov 7148 df-oprab 7149 df-mpo 7150 df-om 7570 df-wrecs 7936 df-recs 7997 df-rdg 8035 df-er 8278 df-en 8498 df-dom 8499 df-sdom 8500 df-pnf 10665 df-mnf 10666 df-xr 10667 df-ltxr 10668 df-le 10669 df-sub 10860 df-neg 10861 df-nn 11627 df-2 11688 df-ndx 16474 df-slot 16475 df-base 16477 df-sets 16478 df-plusg 16566 df-0g 16703 df-mgm 17840 df-sgrp 17889 df-mnd 17900 df-grp 18044 df-mgp 19169 df-ring 19228 df-lmod 19565 df-lss 19633 df-lsp 19673 df-lsatoms 35992 |
This theorem is referenced by: lsatspn0 36016 lsatssn0 36018 lsatcmp 36019 lsatcv0 36047 dochsat 38399 dochsatshp 38467 dochshpsat 38470 dochexmidlem1 38476 |
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