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Mirrors > Home > MPE Home > Th. List > lspun | Structured version Visualization version GIF version |
Description: The span of union is the span of the union of spans. (Contributed by NM, 22-Feb-2014.) (Revised by Mario Carneiro, 19-Jun-2014.) |
Ref | Expression |
---|---|
lspss.v | ⊢ 𝑉 = (Base‘𝑊) |
lspss.n | ⊢ 𝑁 = (LSpan‘𝑊) |
Ref | Expression |
---|---|
lspun | ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) = (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1135 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑊 ∈ LMod) | |
2 | simp2 1136 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ 𝑉) | |
3 | simp3 1137 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ 𝑉) | |
4 | 2, 3 | unssd 4125 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ 𝑉) |
5 | ssun1 4111 | . . . . . . 7 ⊢ 𝑇 ⊆ (𝑇 ∪ 𝑈) | |
6 | 5 | a1i 11 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ (𝑇 ∪ 𝑈)) |
7 | lspss.v | . . . . . . 7 ⊢ 𝑉 = (Base‘𝑊) | |
8 | lspss.n | . . . . . . 7 ⊢ 𝑁 = (LSpan‘𝑊) | |
9 | 7, 8 | lspss 20244 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑇 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
10 | 1, 4, 6, 9 | syl3anc 1370 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
11 | ssun2 4112 | . . . . . . 7 ⊢ 𝑈 ⊆ (𝑇 ∪ 𝑈) | |
12 | 11 | a1i 11 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑇 ∪ 𝑈)) |
13 | 7, 8 | lspss 20244 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑈 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
14 | 1, 4, 12, 13 | syl3anc 1370 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
15 | 10, 14 | unssd 4125 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
16 | 7, 8 | lspssv 20243 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉) |
17 | 1, 4, 16 | syl2anc 584 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉) |
18 | 15, 17 | sstrd 3936 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ 𝑉) |
19 | 7, 8 | lspssid 20245 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
20 | 1, 2, 19 | syl2anc 584 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
21 | 7, 8 | lspssid 20245 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑁‘𝑈)) |
22 | unss12 4121 | . . . 4 ⊢ ((𝑇 ⊆ (𝑁‘𝑇) ∧ 𝑈 ⊆ (𝑁‘𝑈)) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) | |
23 | 20, 21, 22 | 3imp3i2an 1344 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) |
24 | 7, 8 | lspss 20244 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ 𝑉 ∧ (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
25 | 1, 18, 23, 24 | syl3anc 1370 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
26 | 7, 8 | lspss 20244 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉 ∧ ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑁‘(𝑇 ∪ 𝑈)))) |
27 | 1, 17, 15, 26 | syl3anc 1370 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑁‘(𝑇 ∪ 𝑈)))) |
28 | 7, 8 | lspidm 20246 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑁‘(𝑇 ∪ 𝑈))) = (𝑁‘(𝑇 ∪ 𝑈))) |
29 | 1, 4, 28 | syl2anc 584 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑁‘(𝑇 ∪ 𝑈))) = (𝑁‘(𝑇 ∪ 𝑈))) |
30 | 27, 29 | sseqtrd 3966 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
31 | 25, 30 | eqssd 3943 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) = (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1542 ∈ wcel 2110 ∪ cun 3890 ⊆ wss 3892 ‘cfv 6432 Basecbs 16910 LModclmod 20121 LSpanclspn 20231 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-int 4886 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-1st 7824 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-er 8481 df-en 8717 df-dom 8718 df-sdom 8719 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-sets 16863 df-slot 16881 df-ndx 16893 df-base 16911 df-plusg 16973 df-0g 17150 df-mgm 18324 df-sgrp 18373 df-mnd 18384 df-grp 18578 df-minusg 18579 df-sbg 18580 df-mgp 19719 df-ur 19736 df-ring 19783 df-lmod 20123 df-lss 20192 df-lsp 20232 |
This theorem is referenced by: lspun0 20271 lsmsp2 20347 lsmpr 20349 lsppr 20353 islshpsm 36990 lshpnel2N 36995 lkrlsp3 37114 dochsatshp 39461 |
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