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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 1136 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑊 ∈ LMod) | |
2 | simp2 1137 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ 𝑉) | |
3 | simp3 1138 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ 𝑉) | |
4 | 2, 3 | unssd 4126 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ 𝑉) |
5 | ssun1 4112 | . . . . . . 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 20295 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑇 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
10 | 1, 4, 6, 9 | syl3anc 1371 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑇) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
11 | ssun2 4113 | . . . . . . 7 ⊢ 𝑈 ⊆ (𝑇 ∪ 𝑈) | |
12 | 11 | a1i 11 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑇 ∪ 𝑈)) |
13 | 7, 8 | lspss 20295 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉 ∧ 𝑈 ⊆ (𝑇 ∪ 𝑈)) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
14 | 1, 4, 12, 13 | syl3anc 1371 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
15 | 10, 14 | unssd 4126 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ∪ (𝑁‘𝑈)) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
16 | 7, 8 | lspssv 20294 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ 𝑉) |
17 | 1, 4, 16 | syl2anc 585 | . . . 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 20296 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
20 | 1, 2, 19 | syl2anc 585 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
21 | 7, 8 | lspssid 20296 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑁‘𝑈)) |
22 | unss12 4122 | . . . 4 ⊢ ((𝑇 ⊆ (𝑁‘𝑇) ∧ 𝑈 ⊆ (𝑁‘𝑈)) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) | |
23 | 20, 21, 22 | 3imp3i2an 1345 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑇 ∪ 𝑈) ⊆ ((𝑁‘𝑇) ∪ (𝑁‘𝑈))) |
24 | 7, 8 | lspss 20295 | . . 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 1371 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘(𝑇 ∪ 𝑈)) ⊆ (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈)))) |
26 | 7, 8 | lspss 20295 | . . . 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 1371 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → (𝑁‘((𝑁‘𝑇) ∪ (𝑁‘𝑈))) ⊆ (𝑁‘(𝑁‘(𝑇 ∪ 𝑈)))) |
28 | 7, 8 | lspidm 20297 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ (𝑇 ∪ 𝑈) ⊆ 𝑉) → (𝑁‘(𝑁‘(𝑇 ∪ 𝑈))) = (𝑁‘(𝑇 ∪ 𝑈))) |
29 | 1, 4, 28 | syl2anc 585 | . . 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 1087 = wceq 1539 ∈ wcel 2104 ∪ cun 3890 ⊆ wss 3892 ‘cfv 6458 Basecbs 16961 LModclmod 20172 LSpanclspn 20282 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 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 4566 df-pr 4568 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-1st 7863 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-nn 12024 df-2 12086 df-sets 16914 df-slot 16932 df-ndx 16944 df-base 16962 df-plusg 17024 df-0g 17201 df-mgm 18375 df-sgrp 18424 df-mnd 18435 df-grp 18629 df-minusg 18630 df-sbg 18631 df-mgp 19770 df-ur 19787 df-ring 19834 df-lmod 20174 df-lss 20243 df-lsp 20283 |
This theorem is referenced by: lspun0 20322 lsmsp2 20398 lsmpr 20400 lsppr 20404 islshpsm 37194 lshpnel2N 37199 lkrlsp3 37318 dochsatshp 39665 |
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