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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 1134 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑊 ∈ LMod) | |
2 | simp2 1135 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ 𝑉) | |
3 | simp3 1136 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ 𝑉) | |
4 | 2, 3 | unssd 4124 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ 𝑉) |
5 | ssun1 4110 | . . . . . . 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 20227 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑇 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
10 | 1, 4, 6, 9 | syl3anc 1369 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
11 | ssun2 4111 | . . . . . . 7 ⊢ 𝑈 ⊆ (𝑇 ∪ 𝑈) | |
12 | 11 | a1i 11 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑇 ∪ 𝑈)) |
13 | 7, 8 | lspss 20227 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑈 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
14 | 1, 4, 12, 13 | syl3anc 1369 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
15 | 10, 14 | unssd 4124 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
16 | 7, 8 | lspssv 20226 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉) |
17 | 1, 4, 16 | syl2anc 583 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉) |
18 | 15, 17 | sstrd 3935 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ 𝑉) |
19 | 7, 8 | lspssid 20228 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
20 | 1, 2, 19 | syl2anc 583 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
21 | 7, 8 | lspssid 20228 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑁‘𝑈)) |
22 | unss12 4120 | . . . 4 ⊢ ((𝑇 ⊆ (𝑁‘𝑇) ∧ 𝑈 ⊆ (𝑁‘𝑈)) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) | |
23 | 20, 21, 22 | 3imp3i2an 1343 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) |
24 | 7, 8 | lspss 20227 | . . 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 1369 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
26 | 7, 8 | lspss 20227 | . . . 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 1369 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑁‘(𝑇 ∪ 𝑈)))) |
28 | 7, 8 | lspidm 20229 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑁‘(𝑇 ∪ 𝑈))) = (𝑁‘(𝑇 ∪ 𝑈))) |
29 | 1, 4, 28 | syl2anc 583 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑁‘(𝑇 ∪ 𝑈))) = (𝑁‘(𝑇 ∪ 𝑈))) |
30 | 27, 29 | sseqtrd 3965 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
31 | 25, 30 | eqssd 3942 | 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 1085 = wceq 1541 ∈ wcel 2109 ∪ cun 3889 ⊆ wss 3891 ‘cfv 6430 Basecbs 16893 LModclmod 20104 LSpanclspn 20214 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-er 8472 df-en 8708 df-dom 8709 df-sdom 8710 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-nn 11957 df-2 12019 df-sets 16846 df-slot 16864 df-ndx 16876 df-base 16894 df-plusg 16956 df-0g 17133 df-mgm 18307 df-sgrp 18356 df-mnd 18367 df-grp 18561 df-minusg 18562 df-sbg 18563 df-mgp 19702 df-ur 19719 df-ring 19766 df-lmod 20106 df-lss 20175 df-lsp 20215 |
This theorem is referenced by: lspun0 20254 lsmsp2 20330 lsmpr 20332 lsppr 20336 islshpsm 36973 lshpnel2N 36978 lkrlsp3 37097 dochsatshp 39444 |
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