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Mirrors > Home > MPE Home > Th. List > minmar1marrep | Structured version Visualization version GIF version |
Description: The minor matrix is a special case of a matrix with a replaced row. (Contributed by AV, 12-Feb-2019.) |
Ref | Expression |
---|---|
minmar1marrep.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
minmar1marrep.b | ⊢ 𝐵 = (Base‘𝐴) |
minmar1marrep.q | ⊢ 𝑄 = (𝑁 matRRep 𝑅) |
minmar1marrep.o | ⊢ 1 = (1r‘𝑅) |
Ref | Expression |
---|---|
minmar1marrep | ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → ((𝑁 minMatR1 𝑅)‘𝑀) = (𝑀(𝑁 matRRep 𝑅) 1 )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | minmar1marrep.a | . . . 4 ⊢ 𝐴 = (𝑁 Mat 𝑅) | |
2 | minmar1marrep.b | . . . 4 ⊢ 𝐵 = (Base‘𝐴) | |
3 | eqid 2610 | . . . 4 ⊢ (𝑁 minMatR1 𝑅) = (𝑁 minMatR1 𝑅) | |
4 | minmar1marrep.o | . . . 4 ⊢ 1 = (1r‘𝑅) | |
5 | eqid 2610 | . . . 4 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
6 | 1, 2, 3, 4, 5 | minmar1val0 20272 | . . 3 ⊢ (𝑀 ∈ 𝐵 → ((𝑁 minMatR1 𝑅)‘𝑀) = (𝑘 ∈ 𝑁, 𝑙 ∈ 𝑁 ↦ (𝑖 ∈ 𝑁, 𝑗 ∈ 𝑁 ↦ if(𝑖 = 𝑘, if(𝑗 = 𝑙, 1 , (0g‘𝑅)), (𝑖𝑀𝑗))))) |
7 | 6 | adantl 481 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → ((𝑁 minMatR1 𝑅)‘𝑀) = (𝑘 ∈ 𝑁, 𝑙 ∈ 𝑁 ↦ (𝑖 ∈ 𝑁, 𝑗 ∈ 𝑁 ↦ if(𝑖 = 𝑘, if(𝑗 = 𝑙, 1 , (0g‘𝑅)), (𝑖𝑀𝑗))))) |
8 | simpr 476 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → 𝑀 ∈ 𝐵) | |
9 | eqid 2610 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
10 | 9, 4 | ringidcl 18391 | . . . 4 ⊢ (𝑅 ∈ Ring → 1 ∈ (Base‘𝑅)) |
11 | 10 | adantr 480 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → 1 ∈ (Base‘𝑅)) |
12 | eqid 2610 | . . . 4 ⊢ (𝑁 matRRep 𝑅) = (𝑁 matRRep 𝑅) | |
13 | 1, 2, 12, 5 | marrepval0 20186 | . . 3 ⊢ ((𝑀 ∈ 𝐵 ∧ 1 ∈ (Base‘𝑅)) → (𝑀(𝑁 matRRep 𝑅) 1 ) = (𝑘 ∈ 𝑁, 𝑙 ∈ 𝑁 ↦ (𝑖 ∈ 𝑁, 𝑗 ∈ 𝑁 ↦ if(𝑖 = 𝑘, if(𝑗 = 𝑙, 1 , (0g‘𝑅)), (𝑖𝑀𝑗))))) |
14 | 8, 11, 13 | syl2anc 691 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → (𝑀(𝑁 matRRep 𝑅) 1 ) = (𝑘 ∈ 𝑁, 𝑙 ∈ 𝑁 ↦ (𝑖 ∈ 𝑁, 𝑗 ∈ 𝑁 ↦ if(𝑖 = 𝑘, if(𝑗 = 𝑙, 1 , (0g‘𝑅)), (𝑖𝑀𝑗))))) |
15 | 7, 14 | eqtr4d 2647 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑀 ∈ 𝐵) → ((𝑁 minMatR1 𝑅)‘𝑀) = (𝑀(𝑁 matRRep 𝑅) 1 )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ifcif 4036 ‘cfv 5804 (class class class)co 6549 ↦ cmpt2 6551 Basecbs 15695 0gc0g 15923 1rcur 18324 Ringcrg 18370 Mat cmat 20032 matRRep cmarrep 20181 minMatR1 cminmar1 20258 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-plusg 15781 df-0g 15925 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-mgp 18313 df-ur 18325 df-ring 18372 df-mat 20033 df-marrep 20183 df-minmar1 20260 |
This theorem is referenced by: minmar1cl 20276 smadiadetglem1 20296 submatminr1 29204 |
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