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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 4281 | . 2 ⊢ (𝑋 ∈ 𝐵 → ¬ 𝐵 = ∅) | |
| 2 | matrcl.a | . . . . 5 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
| 3 | df-mat 22386 | . . . . . 6 ⊢ Mat = (𝑎 ∈ Fin, 𝑏 ∈ V ↦ ((𝑏 freeLMod (𝑎 × 𝑎)) sSet 〈(.r‘ndx), (𝑏 maMul 〈𝑎, 𝑎, 𝑎〉)〉)) | |
| 4 | 3 | mpondm0 7601 | . . . . 5 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (𝑁 Mat 𝑅) = ∅) |
| 5 | 2, 4 | eqtrid 2784 | . . . 4 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → 𝐴 = ∅) |
| 6 | 5 | fveq2d 6839 | . . 3 ⊢ (¬ (𝑁 ∈ Fin ∧ 𝑅 ∈ V) → (Base‘𝐴) = (Base‘∅)) |
| 7 | matrcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐴) | |
| 8 | base0 17178 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 9 | 6, 7, 8 | 3eqtr4g 2797 | . 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 1542 ∈ wcel 2114 Vcvv 3430 ∅c0 4274 〈cop 4574 〈cotp 4576 × cxp 5623 ‘cfv 6493 (class class class)co 7361 Fincfn 8887 sSet csts 17127 ndxcnx 17157 Basecbs 17173 .rcmulr 17215 freeLMod cfrlm 21739 maMul cmmul 22368 Mat cmat 22385 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-1cn 11090 ax-addcl 11092 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-nn 12169 df-slot 17146 df-ndx 17158 df-base 17174 df-mat 22386 |
| This theorem is referenced by: matbas2i 22400 matecl 22403 matplusg2 22405 matvsca2 22406 matplusgcell 22411 matsubgcell 22412 matinvgcell 22413 matvscacell 22414 matmulcell 22423 mattposcl 22431 mattposvs 22433 mattposm 22437 matgsumcl 22438 madetsumid 22439 madetsmelbas 22442 madetsmelbas2 22443 marrepval0 22539 marrepval 22540 marrepcl 22542 marepvval0 22544 marepvval 22545 marepvcl 22547 ma1repveval 22549 mulmarep1gsum1 22551 mulmarep1gsum2 22552 submabas 22556 submaval0 22558 submaval 22559 mdetleib2 22566 mdetf 22573 mdetrlin 22580 mdetrsca 22581 mdetralt 22586 mdetmul 22601 maduval 22616 maducoeval2 22618 maduf 22619 madutpos 22620 madugsum 22621 madurid 22622 madulid 22623 minmar1val0 22625 minmar1val 22626 marep01ma 22638 smadiadetlem0 22639 smadiadetlem1a 22641 smadiadetlem3 22646 smadiadetlem4 22647 smadiadet 22648 smadiadetglem2 22650 matinv 22655 matunit 22656 slesolvec 22657 slesolinv 22658 slesolinvbi 22659 slesolex 22660 cramerimplem2 22662 cramerimplem3 22663 cramerimp 22664 decpmatcl 22745 decpmataa0 22746 decpmatmul 22750 smatcl 33965 matunitlindflem2 37955 matunitlindf 37956 |
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