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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 3923 | . . . . 5 ⊢ ({ 0 } ⊊ 𝑦 ↔ ({ 0 } ⊆ 𝑦 ∧ { 0 } ≠ 𝑦)) | |
| 2 | simpr 484 | . . . . . 6 ⊢ (({ 0 } ⊆ 𝑦 ∧ { 0 } ≠ 𝑦) → { 0 } ≠ 𝑦) | |
| 3 | nesym 2989 | . . . . . 6 ⊢ ({ 0 } ≠ 𝑦 ↔ ¬ 𝑦 = { 0 }) | |
| 4 | 2, 3 | sylib 218 | . . . . 5 ⊢ (({ 0 } ⊆ 𝑦 ∧ { 0 } ≠ 𝑦) → ¬ 𝑦 = { 0 }) |
| 5 | 1, 4 | sylbi 217 | . . . 4 ⊢ ({ 0 } ⊊ 𝑦 → ¬ 𝑦 = { 0 }) |
| 6 | lspsncv0.w | . . . . . . . . . . 11 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
| 7 | 6 | ad2antrr 727 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑊 ∈ LVec) |
| 8 | simplr 769 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑦 ∈ 𝑆) | |
| 9 | lspsncv0.x | . . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 10 | 9 | ad2antrr 727 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑋 ∈ 𝑉) |
| 11 | simpr 484 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → 𝑦 ⊆ (𝑁‘{𝑋})) | |
| 12 | lspsncv0.v | . . . . . . . . . . 11 ⊢ 𝑉 = (Base‘𝑊) | |
| 13 | lspsncv0.z | . . . . . . . . . . 11 ⊢ 0 = (0g‘𝑊) | |
| 14 | lspsncv0.s | . . . . . . . . . . 11 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 15 | lspsncv0.n | . . . . . . . . . . 11 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 16 | 12, 13, 14, 15 | lspsnat 21112 | . . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝑦 ∈ 𝑆 ∧ 𝑋 ∈ 𝑉) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = (𝑁‘{𝑋}) ∨ 𝑦 = { 0 })) |
| 17 | 7, 8, 10, 11, 16 | syl31anc 1376 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = (𝑁‘{𝑋}) ∨ 𝑦 = { 0 })) |
| 18 | 17 | orcomd 872 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (𝑦 = { 0 } ∨ 𝑦 = (𝑁‘{𝑋}))) |
| 19 | 18 | ord 865 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑆) ∧ 𝑦 ⊆ (𝑁‘{𝑋})) → (¬ 𝑦 = { 0 } → 𝑦 = (𝑁‘{𝑋}))) |
| 20 | 19 | ex 412 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (𝑦 ⊆ (𝑁‘{𝑋}) → (¬ 𝑦 = { 0 } → 𝑦 = (𝑁‘{𝑋})))) |
| 21 | 20 | com23 86 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (¬ 𝑦 = { 0 } → (𝑦 ⊆ (𝑁‘{𝑋}) → 𝑦 = (𝑁‘{𝑋})))) |
| 22 | npss 4067 | . . . . 5 ⊢ (¬ 𝑦 ⊊ (𝑁‘{𝑋}) ↔ (𝑦 ⊆ (𝑁‘{𝑋}) → 𝑦 = (𝑁‘{𝑋}))) | |
| 23 | 21, 22 | imbitrrdi 252 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → (¬ 𝑦 = { 0 } → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 24 | 5, 23 | syl5 34 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑆) → ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 25 | 24 | ralrimiva 3130 | . 2 ⊢ (𝜑 → ∀𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 26 | ralinexa 3091 | . 2 ⊢ (∀𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋})) ↔ ¬ ∃𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 ∧ 𝑦 ⊊ (𝑁‘{𝑋}))) | |
| 27 | 25, 26 | sylib 218 | 1 ⊢ (𝜑 → ¬ ∃𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 ∧ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∨ wo 848 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∀wral 3052 ∃wrex 3062 ⊆ wss 3903 ⊊ wpss 3904 {csn 4582 ‘cfv 6500 Basecbs 17148 0gc0g 17371 LSubSpclss 20894 LSpanclspn 20934 LVecclvec 21066 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-tpos 8178 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-mulr 17203 df-0g 17373 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-grp 18878 df-minusg 18879 df-sbg 18880 df-cmn 19723 df-abl 19724 df-mgp 20088 df-rng 20100 df-ur 20129 df-ring 20182 df-oppr 20285 df-dvdsr 20305 df-unit 20306 df-invr 20336 df-drng 20676 df-lmod 20825 df-lss 20895 df-lsp 20935 df-lvec 21067 |
| This theorem is referenced by: lsatcv0 39396 |
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