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Mirrors > Home > MPE Home > Th. List > lspsntrim | Structured version Visualization version GIF version |
Description: Triangle-type inequality for span of a singleton of vector difference. (Contributed by NM, 25-Apr-2014.) (Revised by Mario Carneiro, 21-Jun-2014.) |
Ref | Expression |
---|---|
lspsntrim.v | ⊢ 𝑉 = (Base‘𝑊) |
lspsntrim.s | ⊢ − = (-g‘𝑊) |
lspsntrim.p | ⊢ ⊕ = (LSSum‘𝑊) |
lspsntrim.n | ⊢ 𝑁 = (LSpan‘𝑊) |
Ref | Expression |
---|---|
lspsntrim | ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{(𝑋 − 𝑌)}) ⊆ ((𝑁‘{𝑋}) ⊕ (𝑁‘{𝑌}))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lspsntrim.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
2 | eqid 2622 | . . . . 5 ⊢ (invg‘𝑊) = (invg‘𝑊) | |
3 | 1, 2 | lmodvnegcl 18904 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑌 ∈ 𝑉) → ((invg‘𝑊)‘𝑌) ∈ 𝑉) |
4 | 3 | 3adant2 1080 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → ((invg‘𝑊)‘𝑌) ∈ 𝑉) |
5 | eqid 2622 | . . . 4 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
6 | lspsntrim.n | . . . 4 ⊢ 𝑁 = (LSpan‘𝑊) | |
7 | lspsntrim.p | . . . 4 ⊢ ⊕ = (LSSum‘𝑊) | |
8 | 1, 5, 6, 7 | lspsntri 19097 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ ((invg‘𝑊)‘𝑌) ∈ 𝑉) → (𝑁‘{(𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))}) ⊆ ((𝑁‘{𝑋}) ⊕ (𝑁‘{((invg‘𝑊)‘𝑌)}))) |
9 | 4, 8 | syld3an3 1371 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{(𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))}) ⊆ ((𝑁‘{𝑋}) ⊕ (𝑁‘{((invg‘𝑊)‘𝑌)}))) |
10 | lspsntrim.s | . . . . . 6 ⊢ − = (-g‘𝑊) | |
11 | 1, 5, 2, 10 | grpsubval 17465 | . . . . 5 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑋 − 𝑌) = (𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))) |
12 | 11 | sneqd 4189 | . . . 4 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → {(𝑋 − 𝑌)} = {(𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))}) |
13 | 12 | fveq2d 6195 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{(𝑋 − 𝑌)}) = (𝑁‘{(𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))})) |
14 | 13 | 3adant1 1079 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{(𝑋 − 𝑌)}) = (𝑁‘{(𝑋(+g‘𝑊)((invg‘𝑊)‘𝑌))})) |
15 | 1, 2, 6 | lspsnneg 19006 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑌 ∈ 𝑉) → (𝑁‘{((invg‘𝑊)‘𝑌)}) = (𝑁‘{𝑌})) |
16 | 15 | 3adant2 1080 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{((invg‘𝑊)‘𝑌)}) = (𝑁‘{𝑌})) |
17 | 16 | eqcomd 2628 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{𝑌}) = (𝑁‘{((invg‘𝑊)‘𝑌)})) |
18 | 17 | oveq2d 6666 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → ((𝑁‘{𝑋}) ⊕ (𝑁‘{𝑌})) = ((𝑁‘{𝑋}) ⊕ (𝑁‘{((invg‘𝑊)‘𝑌)}))) |
19 | 9, 14, 18 | 3sstr4d 3648 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑁‘{(𝑋 − 𝑌)}) ⊆ ((𝑁‘{𝑋}) ⊕ (𝑁‘{𝑌}))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ⊆ wss 3574 {csn 4177 ‘cfv 5888 (class class class)co 6650 Basecbs 15857 +gcplusg 15941 invgcminusg 17423 -gcsg 17424 LSSumclsm 18049 LModclmod 18863 LSpanclspn 18971 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-0g 16102 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-submnd 17336 df-grp 17425 df-minusg 17426 df-sbg 17427 df-subg 17591 df-cntz 17750 df-lsm 18051 df-cmn 18195 df-abl 18196 df-mgp 18490 df-ur 18502 df-ring 18549 df-lmod 18865 df-lss 18933 df-lsp 18972 |
This theorem is referenced by: mapdpglem1 36961 baerlem3lem2 36999 baerlem5alem2 37000 baerlem5blem2 37001 |
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