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| Mirrors > Home > MPE Home > Th. List > lspindp3 | Structured version Visualization version GIF version | ||
| Description: Independence of 2 vectors is preserved by vector sum. (Contributed by NM, 26-Apr-2015.) |
| Ref | Expression |
|---|---|
| lspindp3.v | ⊢ 𝑉 = (Base‘𝑊) |
| lspindp3.p | ⊢ + = (+g‘𝑊) |
| lspindp3.o | ⊢ 0 = (0g‘𝑊) |
| lspindp3.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| lspindp3.w | ⊢ (𝜑 → 𝑊 ∈ LVec) |
| lspindp3.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
| lspindp3.y | ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 })) |
| lspindp3.e | ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌})) |
| Ref | Expression |
|---|---|
| lspindp3 | ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{(𝑋 + 𝑌)})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lspindp3.e | . 2 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌})) | |
| 2 | lspindp3.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
| 3 | lspindp3.p | . . . . 5 ⊢ + = (+g‘𝑊) | |
| 4 | lspindp3.o | . . . . 5 ⊢ 0 = (0g‘𝑊) | |
| 5 | lspindp3.n | . . . . 5 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 6 | lspindp3.w | . . . . . 6 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
| 7 | 6 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) → 𝑊 ∈ LVec) |
| 8 | lspindp3.x | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 9 | 8 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) → 𝑋 ∈ 𝑉) |
| 10 | lspindp3.y | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 })) | |
| 11 | 10 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) → 𝑌 ∈ (𝑉 ∖ { 0 })) |
| 12 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) → (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) | |
| 13 | 2, 3, 4, 5, 7, 9, 11, 12 | lspabs2 21108 | . . . 4 ⊢ ((𝜑 ∧ (𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)})) → (𝑁‘{𝑋}) = (𝑁‘{𝑌})) |
| 14 | 13 | ex 412 | . . 3 ⊢ (𝜑 → ((𝑁‘{𝑋}) = (𝑁‘{(𝑋 + 𝑌)}) → (𝑁‘{𝑋}) = (𝑁‘{𝑌}))) |
| 15 | 14 | necon3d 2954 | . 2 ⊢ (𝜑 → ((𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}) → (𝑁‘{𝑋}) ≠ (𝑁‘{(𝑋 + 𝑌)}))) |
| 16 | 1, 15 | mpd 15 | 1 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{(𝑋 + 𝑌)})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∖ cdif 3887 {csn 4568 ‘cfv 6490 (class class class)co 7358 Basecbs 17168 +gcplusg 17209 0gc0g 17391 LSpanclspn 20955 LVecclvec 21087 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-tpos 8167 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-0g 17393 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-submnd 18741 df-grp 18901 df-minusg 18902 df-sbg 18903 df-subg 19088 df-cntz 19281 df-lsm 19600 df-cmn 19746 df-abl 19747 df-mgp 20111 df-rng 20123 df-ur 20152 df-ring 20205 df-oppr 20306 df-dvdsr 20326 df-unit 20327 df-invr 20357 df-drng 20697 df-lmod 20846 df-lss 20916 df-lsp 20956 df-lvec 21088 |
| This theorem is referenced by: mapdindp4 42180 hdmaprnlem3uN 42308 |
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