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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 22565 | . . . . . 6 ⊢ Mat = (𝑎 ∈ Fin, 𝑏 ∈ V ↦ ((𝑏 freeLMod (𝑎 × 𝑎)) sSet 〈(.r‘ndx), (𝑏 maMul 〈𝑎, 𝑎, 𝑎〉)〉)) | |
| 4 | 3 | mpondm0 7650 | . . . . 5 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (𝑁 Mat 𝑅) = ∅) |
| 5 | 2, 4 | eqtrid 2810 | . . . 4 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐴 = ∅) |
| 6 | 5 | fveq2d 6885 | . . 3 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (Base‘𝐴) = (Base‘∅)) |
| 7 | matrcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐴) | |
| 8 | base0 17269 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 9 | 6, 7, 8 | 3eqtr4g 2823 | . 2 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐵 = ∅) |
| 10 | 1, 9 | nsyl2 142 | 1 ⊢ (𝑋 ∈ 𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 Vcvv 3455 ∅c0 4286 〈cop 4595 〈cotp 4597 × cxp 5659 ‘cfv 6536 (class class class)co 7410 Fincfn 8939 sSet csts 17218 ndxcnx 17248 Basecbs 17264 .rcmulr 17306 freeLMod cfrlm 21896 maMul cmmul 22547 Mat cmat 22564 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-1cn 11153 ax-addcl 11155 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-nn 12229 df-slot 17237 df-ndx 17249 df-base 17265 df-mat 22565 |
| This theorem is referenced by: matbas2i 22579 matecl 22582 matplusg2 22584 matvsca2 22585 matplusgcell 22590 matsubgcell 22591 matinvgcell 22592 matvscacell 22593 matmulcell 22602 mattposcl 22610 mattposvs 22612 mattposm 22616 matgsumcl 22617 madetsumid 22618 madetsmelbas 22621 madetsmelbas2 22622 marrepval0 22718 marrepval 22719 marrepcl 22721 marepvval0 22723 marepvval 22724 marepvcl 22726 ma1repveval 22728 mulmarep1gsum1 22730 mulmarep1gsum2 22731 submabas 22735 submaval0 22737 submaval 22738 mdetleib2 22745 mdetf 22752 mdetrlin 22759 mdetrsca 22760 mdetralt 22765 mdetmul 22780 maduval 22795 maducoeval2 22797 maduf 22798 madutpos 22799 madugsum 22800 madurid 22801 madulid 22802 minmar1val0 22804 minmar1val 22805 marep01ma 22817 smadiadetlem0 22818 smadiadetlem1a 22820 smadiadetlem3 22825 smadiadetlem4 22826 smadiadet 22827 smadiadetglem2 22829 matinv 22834 matunit 22835 slesolvec 22836 slesolinv 22837 slesolinvbi 22838 slesolex 22839 cramerimplem2 22841 cramerimplem3 22842 cramerimp 22843 decpmatcl 22924 decpmataa0 22925 decpmatmul 22929 smatcl 34192 matunitlindflem2 38288 matunitlindf 38289 |
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