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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 4293 | . 2 ⊢ (𝑋 ∈ 𝐵 → ¬ 𝐵 = ∅) | |
| 2 | matrcl.a | . . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
| 3 | df-mat 22469 | . . . . . 6 ⊢ Mat = (𝑎 ∈ Fin, 𝑏 ∈ V ↦ ((𝑏 freeLMod (𝑎 × 𝑎)) sSet 〈(.r‘ndx), (𝑏 maMul 〈𝑎, 𝑎, 𝑎〉)〉)) | |
| 4 | 3 | mpondm0 7637 | . . . . 5 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (𝑁 Mat 𝑅) = ∅) |
| 5 | 2, 4 | eqtrid 2810 | . . . 4 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐴 = ∅) |
| 6 | 5 | fveq2d 6872 | . . 3 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (Base‘𝐴) = (Base‘∅)) |
| 7 | matrcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐴) | |
| 8 | base0 17251 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 9 | 6, 7, 8 | 3eqtr4g 2823 | . 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 399 = wceq 1561 ∈ wcel 2143 Vcvv 3455 ∅c0 4286 〈cop 4589 〈cotp 4591 × cxp 5646 ‘cfv 6522 (class class class)co 7397 Fincfn 8928 sSet csts 17200 ndxcnx 17230 Basecbs 17246 .rcmulr 17288 freeLMod cfrlm 21799 maMul cmmul 22451 Mat cmat 22468 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7719 ax-cnex 11130 ax-1cn 11132 ax-addcl 11134 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6289 df-ord 6350 df-on 6351 df-lim 6352 df-suc 6353 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-ov 7400 df-oprab 7401 df-mpo 7402 df-om 7848 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8382 df-nn 12212 df-slot 17219 df-ndx 17231 df-base 17247 df-mat 22469 |
| This theorem is referenced by: matbas2i 22483 matecl 22486 matplusg2 22488 matvsca2 22489 matplusgcell 22494 matsubgcell 22495 matinvgcell 22496 matvscacell 22497 matmulcell 22506 mattposcl 22514 mattposvs 22516 mattposm 22520 matgsumcl 22521 madetsumid 22522 madetsmelbas 22525 madetsmelbas2 22526 marrepval0 22622 marrepval 22623 marrepcl 22625 marepvval0 22627 marepvval 22628 marepvcl 22630 ma1repveval 22632 mulmarep1gsum1 22634 mulmarep1gsum2 22635 submabas 22639 submaval0 22641 submaval 22642 mdetleib2 22649 mdetf 22656 mdetrlin 22663 mdetrsca 22664 mdetralt 22669 mdetmul 22684 maduval 22699 maducoeval2 22701 maduf 22702 madutpos 22703 madugsum 22704 madurid 22705 madulid 22706 minmar1val0 22708 minmar1val 22709 marep01ma 22721 smadiadetlem0 22722 smadiadetlem1a 22724 smadiadetlem3 22729 smadiadetlem4 22730 smadiadet 22731 smadiadetglem2 22733 matinv 22738 matunit 22739 slesolvec 22740 slesolinv 22741 slesolinvbi 22742 slesolex 22743 cramerimplem2 22745 cramerimplem3 22746 cramerimp 22747 decpmatcl 22828 decpmataa0 22829 decpmatmul 22833 smatcl 34100 matunitlindflem2 38117 matunitlindf 38118 |
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