pmatcollpw3fi - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > pmatcollpw3fi		Structured version Visualization version GIF version

Theorem pmatcollpw3fi 22508

Description: Write a polynomial matrix (over a commutative ring) as a finite sum of products of variable powers and constant matrices with scalar entries. (Contributed by AV, 4-Nov-2019.) (Revised by AV, 4-Dec-2019.) (Proof shortened by AV, 8-Dec-2019.)

**Hypotheses**
Ref	Expression
pmatcollpw.p	⊢ 𝑃 = (Poly₁‘𝑅)
pmatcollpw.c	⊢ 𝐶 = (𝑁 Mat 𝑃)
pmatcollpw.b	⊢ 𝐵 = (Base‘𝐶)
pmatcollpw.m	⊢ ∗ = ( ·_𝑠 ‘𝐶)
pmatcollpw.e	⊢ ↑ = (._g‘(mulGrp‘𝑃))
pmatcollpw.x	⊢ 𝑋 = (var₁‘𝑅)
pmatcollpw.t	⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
pmatcollpw3.a	⊢ 𝐴 = (𝑁 Mat 𝑅)
pmatcollpw3.d	⊢ 𝐷 = (Base‘𝐴)

**Assertion**
Ref	Expression
pmatcollpw3fi	⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ₀ ∃𝑓 ∈ (𝐷 ↑_m (0...𝑠))𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑓‘𝑛))))))

Distinct variable groups: 𝐵,𝑛 𝑛,𝑀 𝑛,𝑁 𝑃,𝑛 𝑅,𝑛 𝑛,𝑋 ↑ ,𝑛 𝐵,𝑠,𝑛 𝐶,𝑛 𝑀,𝑠 𝑁,𝑠 𝑅,𝑠 𝐵,𝑓 𝐶,𝑓,𝑛 𝐷,𝑓 𝑓,𝑀 𝑓,𝑁 𝑅,𝑓 𝑇,𝑓 𝑓,𝑋 ↑ ,𝑓 ∗ ,𝑓 𝑓,𝑠 Allowed substitution hints: 𝐴(𝑓,𝑛,𝑠) 𝐶(𝑠) 𝐷(𝑛,𝑠) 𝑃(𝑓,𝑠) 𝑇(𝑛,𝑠) ↑ (𝑠) ∗ (𝑛,𝑠) 𝑋(𝑠)

**Proof of Theorem pmatcollpw3fi**
Step	Hyp	Ref	Expression
1		pmatcollpw.p	. . 3 ⊢ 𝑃 = (Poly₁‘𝑅)
2		pmatcollpw.c	. . 3 ⊢ 𝐶 = (𝑁 Mat 𝑃)
3		pmatcollpw.b	. . 3 ⊢ 𝐵 = (Base‘𝐶)
4		pmatcollpw.m	. . 3 ⊢ ∗ = ( ·_𝑠 ‘𝐶)
5		pmatcollpw.e	. . 3 ⊢ ↑ = (._g‘(mulGrp‘𝑃))
6		pmatcollpw.x	. . 3 ⊢ 𝑋 = (var₁‘𝑅)
7		pmatcollpw.t	. . 3 ⊢ 𝑇 = (𝑁 matToPolyMat 𝑅)
8	1, 2, 3, 4, 5, 6, 7	pmatcollpwfi 22505	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ₀ 𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑀 decompPMat 𝑛))))))
9		elnn0uz 12872	. . . . . 6 ⊢ (𝑠 ∈ ℕ₀ ↔ 𝑠 ∈ (ℤ_≥‘0))
10		fzn0 13520	. . . . . 6 ⊢ ((0...𝑠) ≠ ∅ ↔ 𝑠 ∈ (ℤ_≥‘0))
11	9, 10	sylbb2 237	. . . . 5 ⊢ (𝑠 ∈ ℕ₀ → (0...𝑠) ≠ ∅)
12		fz0ssnn0 13601	. . . . 5 ⊢ (0...𝑠) ⊆ ℕ₀
13	11, 12	jctil 519	. . . 4 ⊢ (𝑠 ∈ ℕ₀ → ((0...𝑠) ⊆ ℕ₀ ∧ (0...𝑠) ≠ ∅))
14		pmatcollpw3.a	. . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅)
15		pmatcollpw3.d	. . . . 5 ⊢ 𝐷 = (Base‘𝐴)
16	1, 2, 3, 4, 5, 6, 7, 14, 15	pmatcollpw3lem 22506	. . . 4 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ ((0...𝑠) ⊆ ℕ₀ ∧ (0...𝑠) ≠ ∅)) → (𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑀 decompPMat 𝑛))))) → ∃𝑓 ∈ (𝐷 ↑_m (0...𝑠))𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑓‘𝑛)))))))
17	13, 16	sylan2 592	. . 3 ⊢ (((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) ∧ 𝑠 ∈ ℕ₀) → (𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑀 decompPMat 𝑛))))) → ∃𝑓 ∈ (𝐷 ↑_m (0...𝑠))𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑓‘𝑛)))))))
18	17	reximdva 3167	. 2 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (∃𝑠 ∈ ℕ₀ 𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑀 decompPMat 𝑛))))) → ∃𝑠 ∈ ℕ₀ ∃𝑓 ∈ (𝐷 ↑_m (0...𝑠))𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑓‘𝑛)))))))
19	8, 18	mpd 15	1 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → ∃𝑠 ∈ ℕ₀ ∃𝑓 ∈ (𝐷 ↑_m (0...𝑠))𝑀 = (𝐶 Σ_g (𝑛 ∈ (0...𝑠) ↦ ((𝑛 ↑ 𝑋) ∗ (𝑇‘(𝑓‘𝑛))))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2105 ≠ wne 2939 ∃wrex 3069 ⊆ wss 3949 ∅c0 4323 ↦ cmpt 5232 ‘cfv 6544 (class class class)co 7412 ↑_m cmap 8823 Fincfn 8942 0cc0 11113 ℕ₀cn0 12477 ℤ_≥cuz 12827 ...cfz 13489 Basecbs 17149 ·_𝑠 cvsca 17206 Σ_g cgsu 17391 ._gcmg 18987 mulGrpcmgp 20029 CRingccrg 20129 var₁cv1 21920 Poly₁cpl1 21921 Mat cmat 22128 matToPolyMat cmat2pmat 22427 decompPMat cdecpmat 22485

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 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7728 ax-cnex 11169 ax-resscn 11170 ax-1cn 11171 ax-icn 11172 ax-addcl 11173 ax-addrcl 11174 ax-mulcl 11175 ax-mulrcl 11176 ax-mulcom 11177 ax-addass 11178 ax-mulass 11179 ax-distr 11180 ax-i2m1 11181 ax-1ne0 11182 ax-1rid 11183 ax-rnegex 11184 ax-rrecex 11185 ax-cnre 11186 ax-pre-lttri 11187 ax-pre-lttrn 11188 ax-pre-ltadd 11189 ax-pre-mulgt0 11190

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-ot 4638 df-uni 4910 df-int 4952 df-iun 5000 df-iin 5001 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-se 5633 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-isom 6553 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7673 df-ofr 7674 df-om 7859 df-1st 7978 df-2nd 7979 df-supp 8150 df-cur 8255 df-frecs 8269 df-wrecs 8300 df-recs 8374 df-rdg 8413 df-1o 8469 df-er 8706 df-map 8825 df-pm 8826 df-ixp 8895 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-fsupp 9365 df-sup 9440 df-oi 9508 df-card 9937 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-nn 12218 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12478 df-z 12564 df-dec 12683 df-uz 12828 df-fz 13490 df-fzo 13633 df-seq 13972 df-hash 14296 df-struct 17085 df-sets 17102 df-slot 17120 df-ndx 17132 df-base 17150 df-ress 17179 df-plusg 17215 df-mulr 17216 df-sca 17218 df-vsca 17219 df-ip 17220 df-tset 17221 df-ple 17222 df-ds 17224 df-hom 17226 df-cco 17227 df-0g 17392 df-gsum 17393 df-prds 17398 df-pws 17400 df-mre 17535 df-mrc 17536 df-acs 17538 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-mhm 18706 df-submnd 18707 df-grp 18859 df-minusg 18860 df-sbg 18861 df-mulg 18988 df-subg 19040 df-ghm 19129 df-cntz 19223 df-cmn 19692 df-abl 19693 df-mgp 20030 df-rng 20048 df-ur 20077 df-srg 20082 df-ring 20130 df-cring 20131 df-subrng 20435 df-subrg 20460 df-lmod 20617 df-lss 20688 df-sra 20931 df-rgmod 20932 df-dsmm 21507 df-frlm 21522 df-assa 21628 df-ascl 21630 df-psr 21682 df-mvr 21683 df-mpl 21684 df-opsr 21686 df-psr1 21924 df-vr1 21925 df-ply1 21926 df-coe1 21927 df-mamu 22107 df-mat 22129 df-mat2pmat 22430 df-decpmat 22486

This theorem is referenced by: pmatcollpw3fi1 22511

W3C validator