Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > madulid | Structured version Visualization version GIF version |
Description: Multiplying the adjunct of a matrix with the matrix results in the identity matrix multiplied with the determinant of the matrix. See Proposition 4.16 in [Lang] p. 518. (Contributed by Stefan O'Rear, 17-Jul-2018.) |
Ref | Expression |
---|---|
madurid.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
madurid.b | ⊢ 𝐵 = (Base‘𝐴) |
madurid.j | ⊢ 𝐽 = (𝑁 maAdju 𝑅) |
madurid.d | ⊢ 𝐷 = (𝑁 maDet 𝑅) |
madurid.i | ⊢ 1 = (1r‘𝐴) |
madurid.t | ⊢ · = (.r‘𝐴) |
madurid.s | ⊢ ∙ = ( ·𝑠 ‘𝐴) |
Ref | Expression |
---|---|
madulid | ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → ((𝐽‘𝑀) · 𝑀) = ((𝐷‘𝑀) ∙ 1 )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 487 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → 𝑅 ∈ CRing) | |
2 | madurid.a | . . . . . . . 8 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
3 | madurid.j | . . . . . . . 8 ⊢ 𝐽 = (𝑁 maAdju 𝑅) | |
4 | madurid.b | . . . . . . . 8 ⊢ 𝐵 = (Base‘𝐴) | |
5 | 2, 3, 4 | maduf 21249 | . . . . . . 7 ⊢ (𝑅 ∈ CRing → 𝐽:𝐵⟶𝐵) |
6 | 5 | ffvelrnda 6850 | . . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐽‘𝑀) ∈ 𝐵) |
7 | 6 | ancoms 461 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (𝐽‘𝑀) ∈ 𝐵) |
8 | simpl 485 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → 𝑀 ∈ 𝐵) | |
9 | madurid.t | . . . . . 6 ⊢ · = (.r‘𝐴) | |
10 | 2, 4, 9 | mattposm 21067 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ (𝐽‘𝑀) ∈ 𝐵 ∧ 𝑀 ∈ 𝐵) → tpos ((𝐽‘𝑀) · 𝑀) = (tpos 𝑀 · tpos (𝐽‘𝑀))) |
11 | 1, 7, 8, 10 | syl3anc 1367 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos ((𝐽‘𝑀) · 𝑀) = (tpos 𝑀 · tpos (𝐽‘𝑀))) |
12 | 2, 3, 4 | madutpos 21250 | . . . . . 6 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐽‘tpos 𝑀) = tpos (𝐽‘𝑀)) |
13 | 12 | ancoms 461 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (𝐽‘tpos 𝑀) = tpos (𝐽‘𝑀)) |
14 | 13 | oveq2d 7171 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (tpos 𝑀 · (𝐽‘tpos 𝑀)) = (tpos 𝑀 · tpos (𝐽‘𝑀))) |
15 | 2, 4 | mattposcl 21061 | . . . . 5 ⊢ (𝑀 ∈ 𝐵 → tpos 𝑀 ∈ 𝐵) |
16 | madurid.d | . . . . . 6 ⊢ 𝐷 = (𝑁 maDet 𝑅) | |
17 | madurid.i | . . . . . 6 ⊢ 1 = (1r‘𝐴) | |
18 | madurid.s | . . . . . 6 ⊢ ∙ = ( ·𝑠 ‘𝐴) | |
19 | 2, 4, 3, 16, 17, 9, 18 | madurid 21252 | . . . . 5 ⊢ ((tpos 𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (tpos 𝑀 · (𝐽‘tpos 𝑀)) = ((𝐷‘tpos 𝑀) ∙ 1 )) |
20 | 15, 19 | sylan 582 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (tpos 𝑀 · (𝐽‘tpos 𝑀)) = ((𝐷‘tpos 𝑀) ∙ 1 )) |
21 | 11, 14, 20 | 3eqtr2d 2862 | . . 3 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos ((𝐽‘𝑀) · 𝑀) = ((𝐷‘tpos 𝑀) ∙ 1 )) |
22 | 21 | tposeqd 7894 | . 2 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos tpos ((𝐽‘𝑀) · 𝑀) = tpos ((𝐷‘tpos 𝑀) ∙ 1 )) |
23 | 2, 4 | matrcl 21020 | . . . . . 6 ⊢ (𝑀 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
24 | 23 | simpld 497 | . . . . 5 ⊢ (𝑀 ∈ 𝐵 → 𝑁 ∈ Fin) |
25 | crngring 19307 | . . . . 5 ⊢ (𝑅 ∈ CRing → 𝑅 ∈ Ring) | |
26 | 2 | matring 21051 | . . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 ∈ Ring) |
27 | 24, 25, 26 | syl2an 597 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → 𝐴 ∈ Ring) |
28 | 4, 9 | ringcl 19310 | . . . 4 ⊢ ((𝐴 ∈ Ring ∧ (𝐽‘𝑀) ∈ 𝐵 ∧ 𝑀 ∈ 𝐵) → ((𝐽‘𝑀) · 𝑀) ∈ 𝐵) |
29 | 27, 7, 8, 28 | syl3anc 1367 | . . 3 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → ((𝐽‘𝑀) · 𝑀) ∈ 𝐵) |
30 | 2, 4 | mattpostpos 21062 | . . 3 ⊢ (((𝐽‘𝑀) · 𝑀) ∈ 𝐵 → tpos tpos ((𝐽‘𝑀) · 𝑀) = ((𝐽‘𝑀) · 𝑀)) |
31 | 29, 30 | syl 17 | . 2 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos tpos ((𝐽‘𝑀) · 𝑀) = ((𝐽‘𝑀) · 𝑀)) |
32 | eqid 2821 | . . . . . . 7 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
33 | 16, 2, 4, 32 | mdetf 21203 | . . . . . 6 ⊢ (𝑅 ∈ CRing → 𝐷:𝐵⟶(Base‘𝑅)) |
34 | 33 | adantl 484 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → 𝐷:𝐵⟶(Base‘𝑅)) |
35 | 15 | adantr 483 | . . . . 5 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos 𝑀 ∈ 𝐵) |
36 | 34, 35 | ffvelrnd 6851 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (𝐷‘tpos 𝑀) ∈ (Base‘𝑅)) |
37 | 4, 17 | ringidcl 19317 | . . . . 5 ⊢ (𝐴 ∈ Ring → 1 ∈ 𝐵) |
38 | 27, 37 | syl 17 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → 1 ∈ 𝐵) |
39 | 2, 4, 32, 18 | mattposvs 21063 | . . . 4 ⊢ (((𝐷‘tpos 𝑀) ∈ (Base‘𝑅) ∧ 1 ∈ 𝐵) → tpos ((𝐷‘tpos 𝑀) ∙ 1 ) = ((𝐷‘tpos 𝑀) ∙ tpos 1 )) |
40 | 36, 38, 39 | syl2anc 586 | . . 3 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos ((𝐷‘tpos 𝑀) ∙ 1 ) = ((𝐷‘tpos 𝑀) ∙ tpos 1 )) |
41 | 16, 2, 4 | mdettpos 21219 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑀 ∈ 𝐵) → (𝐷‘tpos 𝑀) = (𝐷‘𝑀)) |
42 | 41 | ancoms 461 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → (𝐷‘tpos 𝑀) = (𝐷‘𝑀)) |
43 | 2, 17 | mattpos1 21064 | . . . . 5 ⊢ ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → tpos 1 = 1 ) |
44 | 24, 25, 43 | syl2an 597 | . . . 4 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos 1 = 1 ) |
45 | 42, 44 | oveq12d 7173 | . . 3 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → ((𝐷‘tpos 𝑀) ∙ tpos 1 ) = ((𝐷‘𝑀) ∙ 1 )) |
46 | 40, 45 | eqtrd 2856 | . 2 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → tpos ((𝐷‘tpos 𝑀) ∙ 1 ) = ((𝐷‘𝑀) ∙ 1 )) |
47 | 22, 31, 46 | 3eqtr3d 2864 | 1 ⊢ ((𝑀 ∈ 𝐵 ∧ 𝑅 ∈ CRing) → ((𝐽‘𝑀) · 𝑀) = ((𝐷‘𝑀) ∙ 1 )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 Vcvv 3494 ⟶wf 6350 ‘cfv 6354 (class class class)co 7155 tpos ctpos 7890 Fincfn 8508 Basecbs 16482 .rcmulr 16565 ·𝑠 cvsca 16568 1rcur 19250 Ringcrg 19296 CRingccrg 19297 Mat cmat 21015 maDet cmdat 21192 maAdju cmadu 21240 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5189 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-cnex 10592 ax-resscn 10593 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-mulcom 10600 ax-addass 10601 ax-mulass 10602 ax-distr 10603 ax-i2m1 10604 ax-1ne0 10605 ax-1rid 10606 ax-rnegex 10607 ax-rrecex 10608 ax-cnre 10609 ax-pre-lttri 10610 ax-pre-lttrn 10611 ax-pre-ltadd 10612 ax-pre-mulgt0 10613 ax-addf 10615 ax-mulf 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-xor 1501 df-tru 1536 df-fal 1546 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-ot 4575 df-uni 4838 df-int 4876 df-iun 4920 df-iin 4921 df-br 5066 df-opab 5128 df-mpt 5146 df-tr 5172 df-id 5459 df-eprel 5464 df-po 5473 df-so 5474 df-fr 5513 df-se 5514 df-we 5515 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-pred 6147 df-ord 6193 df-on 6194 df-lim 6195 df-suc 6196 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-isom 6363 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-of 7408 df-om 7580 df-1st 7688 df-2nd 7689 df-supp 7830 df-tpos 7891 df-wrecs 7946 df-recs 8007 df-rdg 8045 df-1o 8101 df-2o 8102 df-oadd 8105 df-er 8288 df-map 8407 df-pm 8408 df-ixp 8461 df-en 8509 df-dom 8510 df-sdom 8511 df-fin 8512 df-fsupp 8833 df-sup 8905 df-oi 8973 df-card 9367 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 df-sub 10871 df-neg 10872 df-div 11297 df-nn 11638 df-2 11699 df-3 11700 df-4 11701 df-5 11702 df-6 11703 df-7 11704 df-8 11705 df-9 11706 df-n0 11897 df-xnn0 11967 df-z 11981 df-dec 12098 df-uz 12243 df-rp 12389 df-fz 12892 df-fzo 13033 df-seq 13369 df-exp 13429 df-hash 13690 df-word 13861 df-lsw 13914 df-concat 13922 df-s1 13949 df-substr 14002 df-pfx 14032 df-splice 14111 df-reverse 14120 df-s2 14209 df-struct 16484 df-ndx 16485 df-slot 16486 df-base 16488 df-sets 16489 df-ress 16490 df-plusg 16577 df-mulr 16578 df-starv 16579 df-sca 16580 df-vsca 16581 df-ip 16582 df-tset 16583 df-ple 16584 df-ds 16586 df-unif 16587 df-hom 16588 df-cco 16589 df-0g 16714 df-gsum 16715 df-prds 16720 df-pws 16722 df-mre 16856 df-mrc 16857 df-acs 16859 df-mgm 17851 df-sgrp 17900 df-mnd 17911 df-mhm 17955 df-submnd 17956 df-efmnd 18033 df-grp 18105 df-minusg 18106 df-sbg 18107 df-mulg 18224 df-subg 18275 df-ghm 18355 df-gim 18398 df-cntz 18446 df-oppg 18473 df-symg 18495 df-pmtr 18569 df-psgn 18618 df-evpm 18619 df-cmn 18907 df-abl 18908 df-mgp 19239 df-ur 19251 df-ring 19298 df-cring 19299 df-oppr 19372 df-dvdsr 19390 df-unit 19391 df-invr 19421 df-dvr 19432 df-rnghom 19466 df-drng 19503 df-subrg 19532 df-lmod 19635 df-lss 19703 df-sra 19943 df-rgmod 19944 df-cnfld 20545 df-zring 20617 df-zrh 20650 df-dsmm 20875 df-frlm 20890 df-mamu 20994 df-mat 21016 df-mdet 21193 df-madu 21242 |
This theorem is referenced by: matinv 21285 |
Copyright terms: Public domain | W3C validator |