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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 3922 | . . . . 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 21104 | . . . . . . . . . 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 4066 | . . . . 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 3129 | . 2 ⊢ (𝜑 → ∀𝑦 ∈ 𝑆 ({ 0 } ⊊ 𝑦 → ¬ 𝑦 ⊊ (𝑁‘{𝑋}))) |
| 26 | ralinexa 3090 | . 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 3061 ⊆ wss 3902 ⊊ wpss 3903 {csn 4581 ‘cfv 6493 Basecbs 17140 0gc0g 17363 LSubSpclss 20886 LSpanclspn 20926 LVecclvec 21058 |
| 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 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 ax-pre-mulgt0 11107 |
| 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 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-int 4904 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-tpos 8170 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12150 df-2 12212 df-3 12213 df-sets 17095 df-slot 17113 df-ndx 17125 df-base 17141 df-ress 17162 df-plusg 17194 df-mulr 17195 df-0g 17365 df-mgm 18569 df-sgrp 18648 df-mnd 18664 df-grp 18870 df-minusg 18871 df-sbg 18872 df-cmn 19715 df-abl 19716 df-mgp 20080 df-rng 20092 df-ur 20121 df-ring 20174 df-oppr 20277 df-dvdsr 20297 df-unit 20298 df-invr 20328 df-drng 20668 df-lmod 20817 df-lss 20887 df-lsp 20927 df-lvec 21059 |
| This theorem is referenced by: lsatcv0 39328 |
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