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Mirrors > Home > MPE Home > Th. List > scmatrhmval | Structured version Visualization version GIF version |
Description: The value of the ring homomorphism 𝐹. (Contributed by AV, 22-Dec-2019.) |
Ref | Expression |
---|---|
scmatrhmval.k | ⊢ 𝐾 = (Base‘𝑅) |
scmatrhmval.a | ⊢ 𝐴 = (𝑁 Mat 𝑅) |
scmatrhmval.o | ⊢ 1 = (1r‘𝐴) |
scmatrhmval.t | ⊢ ∗ = ( ·𝑠 ‘𝐴) |
scmatrhmval.f | ⊢ 𝐹 = (𝑥 ∈ 𝐾 ↦ (𝑥 ∗ 1 )) |
Ref | Expression |
---|---|
scmatrhmval | ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝐾) → (𝐹‘𝑋) = (𝑋 ∗ 1 )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | scmatrhmval.f | . 2 ⊢ 𝐹 = (𝑥 ∈ 𝐾 ↦ (𝑥 ∗ 1 )) | |
2 | oveq1 7360 | . 2 ⊢ (𝑥 = 𝑋 → (𝑥 ∗ 1 ) = (𝑋 ∗ 1 )) | |
3 | simpr 485 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝐾) → 𝑋 ∈ 𝐾) | |
4 | ovexd 7388 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝐾) → (𝑋 ∗ 1 ) ∈ V) | |
5 | 1, 2, 3, 4 | fvmptd3 6968 | 1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝐾) → (𝐹‘𝑋) = (𝑋 ∗ 1 )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 Vcvv 3443 ↦ cmpt 5186 ‘cfv 6493 (class class class)co 7353 Basecbs 17075 ·𝑠 cvsca 17129 1rcur 19904 Mat cmat 21738 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-sep 5254 ax-nul 5261 ax-pr 5382 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-ral 3063 df-rex 3072 df-rab 3406 df-v 3445 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4281 df-if 4485 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-br 5104 df-opab 5166 df-mpt 5187 df-id 5529 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-iota 6445 df-fun 6495 df-fv 6501 df-ov 7356 |
This theorem is referenced by: scmatrhmcl 21861 scmatfo 21863 scmatf1 21864 scmatghm 21866 scmatmhm 21867 |
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