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| Mirrors > Home > MPE Home > Th. List > lspsncv0 | Structured version Visualization version GIF version | ||
| Description: The span of a singleton covers the zero subspace, using Definition 3.2.18 of [PtakPulmannova] p. 68 for "covers".) (Contributed by NM, 12-Aug-2014.) (Revised by AV, 13-Jul-2022.) |
| Ref | Expression |
|---|---|
| lspsncv0.v | ⊢ 𝑉 = (Base‘𝑊) |
| lspsncv0.z | ⊢ 0 = (0g‘𝑊) |
| lspsncv0.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
| lspsncv0.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| lspsncv0.w | ⊢ (𝜑 → 𝑊 ∈ LVec) |
| lspsncv0.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| lspsncv0 | ⊢ (𝜑 → ¬ ∃𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 ∧ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-pss 3918 | . . . . 5 ⊢ ({ 0 } ⊊ 𝑦 ↔ ({ 0 } ⊆ 𝑦 ∧ { 0 } ≠ 𝑦)) | |
| 2 | nesym 3011 | . . . . . 6 ⊢ ({ 0 } ≠ 𝑦 ↔ ¬ 𝑦 = { 0 }) | |
| 3 | 2 | bilani 510 | . . . . 5 ⊢ (({ 0 } ⊆ 𝑦 ∧ { 0 } ≠ 𝑦) → ¬ 𝑦 = { 0 }) |
| 4 | 1, 3 | sylbi 220 | . . . 4 ⊢ ({ 0 } ⊊ 𝑦 → ¬ 𝑦 = { 0 }) |
| 5 | lspsncv0.w | . . . . . . . . . . 11 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
| 6 | 5 | ad2antrr 739 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑊 ∈ LVec) |
| 7 | simplr 781 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑦 ∈ 𝑆) | |
| 8 | lspsncv0.x | . . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 9 | 8 | ad2antrr 739 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑋 ∈ 𝑉) |
| 10 | simpr 490 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑦 ⊆ (𝑁‘{𝑋})) | |
| 11 | lspsncv0.v | . . . . . . . . . . 11 ⊢ 𝑉 = (Base‘𝑊) | |
| 12 | lspsncv0.z | . . . . . . . . . . 11 ⊢ 0 = (0g‘𝑊) | |
| 13 | lspsncv0.s | . . . . . . . . . . 11 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 14 | lspsncv0.n | . . . . . . . . . . 11 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 15 | 11, 12, 13, 14 | lspsnat 21385 | . . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝑦 ∈ 𝑆 ∧ 𝑋 ∈ 𝑉) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = (𝑁‘{𝑋}) ∨ 𝑦 = { 0 })) |
| 16 | 6, 7, 9, 10, 15 | syl31anc 1400 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = (𝑁‘{𝑋}) ∨ 𝑦 = { 0 })) |
| 17 | 16 | orcomd 885 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = { 0 } ∨ 𝑦 = (𝑁‘{𝑋}))) |
| 18 | 17 | ord 878 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (¬ 𝑦 = { 0 } → 𝑦 = (𝑁‘{𝑋}))) |
| 19 | 18 | ex 418 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (𝑦 ⊆ (𝑁‘{𝑋}) → (¬ 𝑦 = { 0 } → 𝑦 = (𝑁‘{𝑋})))) |
| 20 | 19 | com23 87 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (¬ 𝑦 = { 0 } → (𝑦 ⊆ (𝑁‘{𝑋}) → 𝑦 = (𝑁‘{𝑋})))) |
| 21 | npss 4061 | . . . . 5 ⊢ (¬ 𝑦 ⊊ (𝑁‘{𝑋}) ↔ (𝑦 ⊆ (𝑁‘{𝑋}) → 𝑦 = (𝑁‘{𝑋}))) | |
| 22 | 20, 21 | imbitrrdi 255 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (¬ 𝑦 = { 0 } → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 23 | 4, 22 | syl5 35 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 24 | 23 | ralrimiva 3154 | . 2 ⊢ (𝜑 → ∀𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 25 | ralinexa 3115 | . 2 ⊢ (∀𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋})) ↔ ¬ ∃𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 ∧ 𝑦 ⊊ (𝑁‘{𝑋}))) | |
| 26 | 24, 25 | sylib 221 | 1 ⊢ (𝜑 → ¬ ∃𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 ∧ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 ∨ wo 861 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 ∀wral 3076 ∃wrex 3086 ⊆ wss 3898 ⊊ wpss 3899 {csn 4583 ‘cfv 6527 Basecbs 17349 0gc0g 17572 LSubSpclss 21168 LSpanclspn 21208 LVecclvec 21339 |
| 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 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11228 ax-resscn 11229 ax-1cn 11230 ax-icn 11231 ax-addcl 11232 ax-addrcl 11233 ax-mulcl 11234 ax-mulrcl 11235 ax-mulcom 11236 ax-addass 11237 ax-mulass 11238 ax-distr 11239 ax-i2m1 11240 ax-1ne0 11241 ax-1rid 11242 ax-rnegex 11243 ax-rrecex 11244 ax-cnre 11245 ax-pre-lttri 11246 ax-pre-lttrn 11247 ax-pre-ltadd 11248 ax-pre-mulgt0 11249 |
| 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 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-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-pnf 11317 df-mnf 11318 df-xr 11319 df-ltxr 11320 df-le 11321 df-sub 11515 df-neg 11516 df-nn 12306 df-2 12375 df-3 12376 df-sets 17304 df-slot 17322 df-ndx 17334 df-base 17350 df-ress 17371 df-plusg 17403 df-mulr 17404 df-0g 17574 df-mgm 18778 df-sgrp 18870 df-mnd 18886 df-grp 19109 df-minusg 19110 df-sbg 19111 df-cmn 19958 df-abl 19959 df-mgp 20323 df-rng 20337 df-ur 20370 df-ring 20423 df-oppr 20529 df-dvdsr 20549 df-unit 20550 df-invr 20580 df-drng 20944 df-lmod 21099 df-lss 21169 df-lsp 21209 df-lvec 21340 |
| This theorem is used by: lsatcv0 40008 |
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