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| Mirrors > Home > MPE Home > Th. List > matrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for the matrix algebra. (Contributed by Stefan O'Rear, 5-Sep-2015.) |
| Ref | Expression |
|---|---|
| matrcl.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
| matrcl.b | ⊢ 𝐵 = (Base‘𝐴) |
| Ref | Expression |
|---|---|
| matrcl | ⊢ (𝑋 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | n0i 4290 | . 2 ⊢ (𝑋 ∈ 𝐵 → ¬ 𝐵 = ∅) | |
| 2 | matrcl.a | . . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
| 3 | df-mat 22350 | . . . . . 6 ⊢ Mat = (𝑎 ∈ Fin, 𝑏 ∈ V ↦ ((𝑏 freeLMod (𝑎 × 𝑎)) sSet 〈(.r‘ndx), (𝑏 maMul 〈𝑎, 𝑎, 𝑎〉)〉)) | |
| 4 | 3 | mpondm0 7596 | . . . . 5 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (𝑁 Mat 𝑅) = ∅) |
| 5 | 2, 4 | eqtrid 2781 | . . . 4 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐴 = ∅) |
| 6 | 5 | fveq2d 6836 | . . 3 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (Base‘𝐴) = (Base‘∅)) |
| 7 | matrcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐴) | |
| 8 | base0 17139 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 9 | 6, 7, 8 | 3eqtr4g 2794 | . 2 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐵 = ∅) |
| 10 | 1, 9 | nsyl2 141 | 1 ⊢ (𝑋 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 Vcvv 3438 ∅c0 4283 〈cop 4584 〈cotp 4586 × cxp 5620 ‘cfv 6490 (class class class)co 7356 Fincfn 8881 sSet csts 17088 ndxcnx 17118 Basecbs 17134 .rcmulr 17176 freeLMod cfrlm 21699 maMul cmmul 22332 Mat cmat 22349 |
| 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 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-1cn 11082 ax-addcl 11084 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-nn 12144 df-slot 17107 df-ndx 17119 df-base 17135 df-mat 22350 |
| This theorem is referenced by: matbas2i 22364 matecl 22367 matplusg2 22369 matvsca2 22370 matplusgcell 22375 matsubgcell 22376 matinvgcell 22377 matvscacell 22378 matmulcell 22387 mattposcl 22395 mattposvs 22397 mattposm 22401 matgsumcl 22402 madetsumid 22403 madetsmelbas 22406 madetsmelbas2 22407 marrepval0 22503 marrepval 22504 marrepcl 22506 marepvval0 22508 marepvval 22509 marepvcl 22511 ma1repveval 22513 mulmarep1gsum1 22515 mulmarep1gsum2 22516 submabas 22520 submaval0 22522 submaval 22523 mdetleib2 22530 mdetf 22537 mdetrlin 22544 mdetrsca 22545 mdetralt 22550 mdetmul 22565 maduval 22580 maducoeval2 22582 maduf 22583 madutpos 22584 madugsum 22585 madurid 22586 madulid 22587 minmar1val0 22589 minmar1val 22590 marep01ma 22602 smadiadetlem0 22603 smadiadetlem1a 22605 smadiadetlem3 22610 smadiadetlem4 22611 smadiadet 22612 smadiadetglem2 22614 matinv 22619 matunit 22620 slesolvec 22621 slesolinv 22622 slesolinvbi 22623 slesolex 22624 cramerimplem2 22626 cramerimplem3 22627 cramerimp 22628 decpmatcl 22709 decpmataa0 22710 decpmatmul 22714 smatcl 33908 matunitlindflem2 37757 matunitlindf 37758 |
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