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Mirrors > Home > MPE Home > Th. List > lsppratlem6 | Structured version Visualization version GIF version |
Description: Lemma for lspprat 19927. Negating the assumption on 𝑦, we arrive close to the desired conclusion. (Contributed by NM, 29-Aug-2014.) |
Ref | Expression |
---|---|
lspprat.v | ⊢ 𝑉 = (Base‘𝑊) |
lspprat.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
lspprat.n | ⊢ 𝑁 = (LSpan‘𝑊) |
lspprat.w | ⊢ (𝜑 → 𝑊 ∈ LVec) |
lspprat.u | ⊢ (𝜑 → 𝑈 ∈ 𝑆) |
lspprat.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
lspprat.y | ⊢ (𝜑 → 𝑌 ∈ 𝑉) |
lspprat.p | ⊢ (𝜑 → 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) |
lsppratlem6.o | ⊢ 0 = (0g‘𝑊) |
Ref | Expression |
---|---|
lsppratlem6 | ⊢ (𝜑 → (𝑥 ∈ (𝑈 ∖ { 0 }) → 𝑈 = (𝑁‘{𝑥}))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lspprat.p | . . . . . . 7 ⊢ (𝜑 → 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) | |
2 | 1 | adantr 483 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) |
3 | lspprat.v | . . . . . . . . 9 ⊢ 𝑉 = (Base‘𝑊) | |
4 | lspprat.s | . . . . . . . . 9 ⊢ 𝑆 = (LSubSp‘𝑊) | |
5 | lspprat.n | . . . . . . . . 9 ⊢ 𝑁 = (LSpan‘𝑊) | |
6 | lspprat.w | . . . . . . . . . 10 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
7 | 6 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑊 ∈ LVec) |
8 | lspprat.u | . . . . . . . . . 10 ⊢ (𝜑 → 𝑈 ∈ 𝑆) | |
9 | 8 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑈 ∈ 𝑆) |
10 | lspprat.x | . . . . . . . . . 10 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
11 | 10 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑋 ∈ 𝑉) |
12 | lspprat.y | . . . . . . . . . 10 ⊢ (𝜑 → 𝑌 ∈ 𝑉) | |
13 | 12 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑌 ∈ 𝑉) |
14 | 1 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) |
15 | lsppratlem6.o | . . . . . . . . 9 ⊢ 0 = (0g‘𝑊) | |
16 | simprl 769 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑥 ∈ (𝑈 ∖ { 0 })) | |
17 | simprr 771 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥}))) | |
18 | 3, 4, 5, 7, 9, 11, 13, 14, 15, 16, 17 | lsppratlem5 19925 | . . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
19 | ssnpss 4082 | . . . . . . . 8 ⊢ ((𝑁‘{𝑋, 𝑌}) ⊆ 𝑈 → ¬ 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) | |
20 | 18, 19 | syl 17 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ (𝑈 ∖ { 0 }) ∧ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})))) → ¬ 𝑈 ⊊ (𝑁‘{𝑋, 𝑌})) |
21 | 20 | expr 459 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → (𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥})) → ¬ 𝑈 ⊊ (𝑁‘{𝑋, 𝑌}))) |
22 | 2, 21 | mt2d 138 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → ¬ 𝑦 ∈ (𝑈 ∖ (𝑁‘{𝑥}))) |
23 | 22 | eq0rdv 4359 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → (𝑈 ∖ (𝑁‘{𝑥})) = ∅) |
24 | ssdif0 4325 | . . . 4 ⊢ (𝑈 ⊆ (𝑁‘{𝑥}) ↔ (𝑈 ∖ (𝑁‘{𝑥})) = ∅) | |
25 | 23, 24 | sylibr 236 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑈 ⊆ (𝑁‘{𝑥})) |
26 | lveclmod 19880 | . . . . . 6 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) | |
27 | 6, 26 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑊 ∈ LMod) |
28 | 27 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑊 ∈ LMod) |
29 | 8 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑈 ∈ 𝑆) |
30 | eldifi 4105 | . . . . 5 ⊢ (𝑥 ∈ (𝑈 ∖ { 0 }) → 𝑥 ∈ 𝑈) | |
31 | 30 | adantl 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑥 ∈ 𝑈) |
32 | 4, 5, 28, 29, 31 | lspsnel5a 19770 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → (𝑁‘{𝑥}) ⊆ 𝑈) |
33 | 25, 32 | eqssd 3986 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑈 ∖ { 0 })) → 𝑈 = (𝑁‘{𝑥})) |
34 | 33 | ex 415 | 1 ⊢ (𝜑 → (𝑥 ∈ (𝑈 ∖ { 0 }) → 𝑈 = (𝑁‘{𝑥}))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∖ cdif 3935 ⊆ wss 3938 ⊊ wpss 3939 ∅c0 4293 {csn 4569 {cpr 4571 ‘cfv 6357 Basecbs 16485 0gc0g 16715 LModclmod 19636 LSubSpclss 19705 LSpanclspn 19745 LVecclvec 19876 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rmo 3148 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-int 4879 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-1st 7691 df-2nd 7692 df-tpos 7894 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-2 11703 df-3 11704 df-ndx 16488 df-slot 16489 df-base 16491 df-sets 16492 df-ress 16493 df-plusg 16580 df-mulr 16581 df-0g 16717 df-mgm 17854 df-sgrp 17903 df-mnd 17914 df-grp 18108 df-minusg 18109 df-sbg 18110 df-cmn 18910 df-abl 18911 df-mgp 19242 df-ur 19254 df-ring 19301 df-oppr 19375 df-dvdsr 19393 df-unit 19394 df-invr 19424 df-drng 19506 df-lmod 19638 df-lss 19706 df-lsp 19746 df-lvec 19877 |
This theorem is referenced by: lspprat 19927 |
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