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Theorem d1mat2pmat 22761
Description: The transformation of a matrix of dimenson 1. (Contributed by AV, 4-Aug-2019.)
Hypotheses
Ref Expression
d1mat2pmat.t 𝑇 = (𝑁 matToPolyMat 𝑅)
d1mat2pmat.b 𝐵 = (Base‘(𝑁 Mat 𝑅))
d1mat2pmat.p 𝑃 = (Poly1𝑅)
d1mat2pmat.s 𝑆 = (algSc‘𝑃)
Assertion
Ref Expression
d1mat2pmat ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝑇𝑀) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩})

Proof of Theorem d1mat2pmat
Dummy variables 𝑖 𝑗 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 snfi 9082 . . . . . 6 {𝐴} ∈ Fin
2 eleq1 2827 . . . . . 6 (𝑁 = {𝐴} → (𝑁 ∈ Fin ↔ {𝐴} ∈ Fin))
31, 2mpbiri 258 . . . . 5 (𝑁 = {𝐴} → 𝑁 ∈ Fin)
43adantr 480 . . . 4 ((𝑁 = {𝐴} ∧ 𝐴𝑉) → 𝑁 ∈ Fin)
543ad2ant2 1133 . . 3 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → 𝑁 ∈ Fin)
6 simp1 1135 . . 3 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → 𝑅𝑉)
7 simp3 1137 . . 3 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → 𝑀𝐵)
8 d1mat2pmat.t . . . 4 𝑇 = (𝑁 matToPolyMat 𝑅)
9 eqid 2735 . . . 4 (𝑁 Mat 𝑅) = (𝑁 Mat 𝑅)
10 d1mat2pmat.b . . . 4 𝐵 = (Base‘(𝑁 Mat 𝑅))
11 d1mat2pmat.p . . . 4 𝑃 = (Poly1𝑅)
12 d1mat2pmat.s . . . 4 𝑆 = (algSc‘𝑃)
138, 9, 10, 11, 12mat2pmatval 22746 . . 3 ((𝑁 ∈ Fin ∧ 𝑅𝑉𝑀𝐵) → (𝑇𝑀) = (𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))))
145, 6, 7, 13syl3anc 1370 . 2 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝑇𝑀) = (𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))))
15 id 22 . . . . . . 7 (𝐴𝑉𝐴𝑉)
16 fvexd 6922 . . . . . . 7 (𝐴𝑉 → (𝑆‘(𝐴𝑀𝐴)) ∈ V)
1715, 15, 163jca 1127 . . . . . 6 (𝐴𝑉 → (𝐴𝑉𝐴𝑉 ∧ (𝑆‘(𝐴𝑀𝐴)) ∈ V))
1817adantl 481 . . . . 5 ((𝑁 = {𝐴} ∧ 𝐴𝑉) → (𝐴𝑉𝐴𝑉 ∧ (𝑆‘(𝐴𝑀𝐴)) ∈ V))
19183ad2ant2 1133 . . . 4 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝐴𝑉𝐴𝑉 ∧ (𝑆‘(𝐴𝑀𝐴)) ∈ V))
20 eqid 2735 . . . . 5 (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗)))
21 fvoveq1 7454 . . . . 5 (𝑖 = 𝐴 → (𝑆‘(𝑖𝑀𝑗)) = (𝑆‘(𝐴𝑀𝑗)))
22 oveq2 7439 . . . . . 6 (𝑗 = 𝐴 → (𝐴𝑀𝑗) = (𝐴𝑀𝐴))
2322fveq2d 6911 . . . . 5 (𝑗 = 𝐴 → (𝑆‘(𝐴𝑀𝑗)) = (𝑆‘(𝐴𝑀𝐴)))
2420, 21, 23mposn 8127 . . . 4 ((𝐴𝑉𝐴𝑉 ∧ (𝑆‘(𝐴𝑀𝐴)) ∈ V) → (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩})
2519, 24syl 17 . . 3 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩})
26 mpoeq12 7506 . . . . . . 7 ((𝑁 = {𝐴} ∧ 𝑁 = {𝐴}) → (𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))))
2726eqeq1d 2737 . . . . . 6 ((𝑁 = {𝐴} ∧ 𝑁 = {𝐴}) → ((𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩} ↔ (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩}))
2827anidms 566 . . . . 5 (𝑁 = {𝐴} → ((𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩} ↔ (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩}))
2928adantr 480 . . . 4 ((𝑁 = {𝐴} ∧ 𝐴𝑉) → ((𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩} ↔ (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩}))
30293ad2ant2 1133 . . 3 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → ((𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩} ↔ (𝑖 ∈ {𝐴}, 𝑗 ∈ {𝐴} ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩}))
3125, 30mpbird 257 . 2 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝑖𝑁, 𝑗𝑁 ↦ (𝑆‘(𝑖𝑀𝑗))) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩})
3214, 31eqtrd 2775 1 ((𝑅𝑉 ∧ (𝑁 = {𝐴} ∧ 𝐴𝑉) ∧ 𝑀𝐵) → (𝑇𝑀) = {⟨⟨𝐴, 𝐴⟩, (𝑆‘(𝐴𝑀𝐴))⟩})
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  w3a 1086   = wceq 1537  wcel 2106  Vcvv 3478  {csn 4631  cop 4637  cfv 6563  (class class class)co 7431  cmpo 7433  Fincfn 8984  Basecbs 17245  algSccascl 21890  Poly1cpl1 22194   Mat cmat 22427   matToPolyMat cmat2pmat 22726
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-pss 3983  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5583  df-eprel 5589  df-po 5597  df-so 5598  df-fr 5641  df-we 5643  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-ord 6389  df-on 6390  df-lim 6391  df-suc 6392  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-ov 7434  df-oprab 7435  df-mpo 7436  df-om 7888  df-1st 8013  df-2nd 8014  df-1o 8505  df-en 8985  df-fin 8988  df-mat2pmat 22729
This theorem is referenced by: (None)
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