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Mirrors > Home > MPE Home > Th. List > mdetleib | Structured version Visualization version GIF version |
Description: Full substitution of our determinant definition (also known as Leibniz' Formula, expanding by columns). Proposition 4.6 in [Lang] p. 514. (Contributed by Stefan O'Rear, 3-Oct-2015.) (Revised by SO, 9-Jul-2018.) |
Ref | Expression |
---|---|
mdetfval.d | ⊢ 𝐷 = (𝑁 maDet 𝑅) |
mdetfval.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
mdetfval.b | ⊢ 𝐵 = (Base‘𝐴) |
mdetfval.p | ⊢ 𝑃 = (Base‘(SymGrp‘𝑁)) |
mdetfval.y | ⊢ 𝑌 = (ℤRHom‘𝑅) |
mdetfval.s | ⊢ 𝑆 = (pmSgn‘𝑁) |
mdetfval.t | ⊢ · = (.r‘𝑅) |
mdetfval.u | ⊢ 𝑈 = (mulGrp‘𝑅) |
Ref | Expression |
---|---|
mdetleib | ⊢ (𝑀 ∈ 𝐵 → (𝐷‘𝑀) = (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥))))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq 7261 | . . . . . . 7 ⊢ (𝑚 = 𝑀 → ((𝑝‘𝑥)𝑚𝑥) = ((𝑝‘𝑥)𝑀𝑥)) | |
2 | 1 | mpteq2dv 5172 | . . . . . 6 ⊢ (𝑚 = 𝑀 → (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥)) = (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥))) |
3 | 2 | oveq2d 7271 | . . . . 5 ⊢ (𝑚 = 𝑀 → (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥))) = (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥)))) |
4 | 3 | oveq2d 7271 | . . . 4 ⊢ (𝑚 = 𝑀 → (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥)))) = (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥))))) |
5 | 4 | mpteq2dv 5172 | . . 3 ⊢ (𝑚 = 𝑀 → (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥))))) = (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥)))))) |
6 | 5 | oveq2d 7271 | . 2 ⊢ (𝑚 = 𝑀 → (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥)))))) = (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥))))))) |
7 | mdetfval.d | . . 3 ⊢ 𝐷 = (𝑁 maDet 𝑅) | |
8 | mdetfval.a | . . 3 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
9 | mdetfval.b | . . 3 ⊢ 𝐵 = (Base‘𝐴) | |
10 | mdetfval.p | . . 3 ⊢ 𝑃 = (Base‘(SymGrp‘𝑁)) | |
11 | mdetfval.y | . . 3 ⊢ 𝑌 = (ℤRHom‘𝑅) | |
12 | mdetfval.s | . . 3 ⊢ 𝑆 = (pmSgn‘𝑁) | |
13 | mdetfval.t | . . 3 ⊢ · = (.r‘𝑅) | |
14 | mdetfval.u | . . 3 ⊢ 𝑈 = (mulGrp‘𝑅) | |
15 | 7, 8, 9, 10, 11, 12, 13, 14 | mdetfval 21643 | . 2 ⊢ 𝐷 = (𝑚 ∈ 𝐵 ↦ (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑚𝑥))))))) |
16 | ovex 7288 | . 2 ⊢ (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥)))))) ∈ V | |
17 | 6, 15, 16 | fvmpt 6857 | 1 ⊢ (𝑀 ∈ 𝐵 → (𝐷‘𝑀) = (𝑅 Σg (𝑝 ∈ 𝑃 ↦ (((𝑌 ∘ 𝑆)‘𝑝) · (𝑈 Σg (𝑥 ∈ 𝑁 ↦ ((𝑝‘𝑥)𝑀𝑥))))))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2108 ↦ cmpt 5153 ∘ ccom 5584 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 .rcmulr 16889 Σg cgsu 17068 SymGrpcsymg 18889 pmSgncpsgn 19012 mulGrpcmgp 19635 ℤRHomczrh 20613 Mat cmat 21464 maDet cmdat 21641 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-1cn 10860 ax-addcl 10862 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-nn 11904 df-slot 16811 df-ndx 16823 df-base 16841 df-mat 21465 df-mdet 21642 |
This theorem is referenced by: mdetleib2 21645 m1detdiag 21654 mdetdiag 21656 mdetralt 21665 mdettpos 21668 chpmatval2 21890 mdetpmtr1 31675 |
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