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Mirrors > Home > MPE Home > Th. List > mat1f1o | Structured version Visualization version GIF version |
Description: There is a 1-1 function from a ring onto the ring of matrices with dimension 1 over this ring. (Contributed by AV, 22-Dec-2019.) |
Ref | Expression |
---|---|
mat1rhmval.k | ⊢ 𝐾 = (Base‘𝑅) |
mat1rhmval.a | ⊢ 𝐴 = ({𝐸} Mat 𝑅) |
mat1rhmval.b | ⊢ 𝐵 = (Base‘𝐴) |
mat1rhmval.o | ⊢ 𝑂 = 〈𝐸, 𝐸〉 |
mat1rhmval.f | ⊢ 𝐹 = (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}) |
Ref | Expression |
---|---|
mat1f1o | ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐹:𝐾–1-1-onto→𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mat1rhmval.k | . . . . 5 ⊢ 𝐾 = (Base‘𝑅) | |
2 | 1 | fvexi 6782 | . . . 4 ⊢ 𝐾 ∈ V |
3 | mat1rhmval.o | . . . . 5 ⊢ 𝑂 = 〈𝐸, 𝐸〉 | |
4 | opex 5381 | . . . . 5 ⊢ 〈𝐸, 𝐸〉 ∈ V | |
5 | 3, 4 | eqeltri 2836 | . . . 4 ⊢ 𝑂 ∈ V |
6 | 2, 5 | pm3.2i 470 | . . 3 ⊢ (𝐾 ∈ V ∧ 𝑂 ∈ V) |
7 | vex 3434 | . . . . . . 7 ⊢ 𝑥 ∈ V | |
8 | 5, 7 | xpsn 7007 | . . . . . 6 ⊢ ({𝑂} × {𝑥}) = {〈𝑂, 𝑥〉} |
9 | 8 | eqcomi 2748 | . . . . 5 ⊢ {〈𝑂, 𝑥〉} = ({𝑂} × {𝑥}) |
10 | 9 | mpteq2i 5183 | . . . 4 ⊢ (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}) = (𝑥 ∈ 𝐾 ↦ ({𝑂} × {𝑥})) |
11 | 10 | mapsnf1o 8701 | . . 3 ⊢ ((𝐾 ∈ V ∧ 𝑂 ∈ V) → (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}):𝐾–1-1-onto→(𝐾 ↑m {𝑂})) |
12 | 6, 11 | mp1i 13 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}):𝐾–1-1-onto→(𝐾 ↑m {𝑂})) |
13 | mat1rhmval.f | . . . 4 ⊢ 𝐹 = (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}) | |
14 | 13 | a1i 11 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐹 = (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉})) |
15 | eqidd 2740 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐾 = 𝐾) | |
16 | mat1rhmval.b | . . . 4 ⊢ 𝐵 = (Base‘𝐴) | |
17 | 3 | sneqi 4577 | . . . . . . 7 ⊢ {𝑂} = {〈𝐸, 𝐸〉} |
18 | simpr 484 | . . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐸 ∈ 𝑉) | |
19 | xpsng 7005 | . . . . . . . 8 ⊢ ((𝐸 ∈ 𝑉 ∧ 𝐸 ∈ 𝑉) → ({𝐸} × {𝐸}) = {〈𝐸, 𝐸〉}) | |
20 | 18, 19 | sylancom 587 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → ({𝐸} × {𝐸}) = {〈𝐸, 𝐸〉}) |
21 | 17, 20 | eqtr4id 2798 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → {𝑂} = ({𝐸} × {𝐸})) |
22 | 21 | oveq2d 7284 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → (𝐾 ↑m {𝑂}) = (𝐾 ↑m ({𝐸} × {𝐸}))) |
23 | snfi 8804 | . . . . . 6 ⊢ {𝐸} ∈ Fin | |
24 | simpl 482 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝑅 ∈ Ring) | |
25 | mat1rhmval.a | . . . . . . 7 ⊢ 𝐴 = ({𝐸} Mat 𝑅) | |
26 | 25, 1 | matbas2 21551 | . . . . . 6 ⊢ (({𝐸} ∈ Fin ∧ 𝑅 ∈ Ring) → (𝐾 ↑m ({𝐸} × {𝐸})) = (Base‘𝐴)) |
27 | 23, 24, 26 | sylancr 586 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → (𝐾 ↑m ({𝐸} × {𝐸})) = (Base‘𝐴)) |
28 | 22, 27 | eqtrd 2779 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → (𝐾 ↑m {𝑂}) = (Base‘𝐴)) |
29 | 16, 28 | eqtr4id 2798 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐵 = (𝐾 ↑m {𝑂})) |
30 | 14, 15, 29 | f1oeq123d 6706 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → (𝐹:𝐾–1-1-onto→𝐵 ↔ (𝑥 ∈ 𝐾 ↦ {〈𝑂, 𝑥〉}):𝐾–1-1-onto→(𝐾 ↑m {𝑂}))) |
31 | 12, 30 | mpbird 256 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝐸 ∈ 𝑉) → 𝐹:𝐾–1-1-onto→𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2109 Vcvv 3430 {csn 4566 〈cop 4572 ↦ cmpt 5161 × cxp 5586 –1-1-onto→wf1o 6429 ‘cfv 6430 (class class class)co 7268 ↑m cmap 8589 Fincfn 8707 Basecbs 16893 Ringcrg 19764 Mat cmat 21535 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-ot 4575 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-supp 7962 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-er 8472 df-map 8591 df-ixp 8660 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-fsupp 9090 df-sup 9162 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-nn 11957 df-2 12019 df-3 12020 df-4 12021 df-5 12022 df-6 12023 df-7 12024 df-8 12025 df-9 12026 df-n0 12217 df-z 12303 df-dec 12420 df-uz 12565 df-fz 13222 df-struct 16829 df-sets 16846 df-slot 16864 df-ndx 16876 df-base 16894 df-ress 16923 df-plusg 16956 df-mulr 16957 df-sca 16959 df-vsca 16960 df-ip 16961 df-tset 16962 df-ple 16963 df-ds 16965 df-hom 16967 df-cco 16968 df-0g 17133 df-prds 17139 df-pws 17141 df-sra 20415 df-rgmod 20416 df-dsmm 20920 df-frlm 20935 df-mat 21536 |
This theorem is referenced by: mat1f 21612 mat1rngiso 21616 |
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