Step
*
of Lemma
adj-solution-property
∀[r:CRng]. ∀[n,m:ℕ]. ∀[A:Matrix(n;n;r)]. ∀[c:|r|]. ∀[b:Matrix(n;m;r)].
(A*adj-solution(r;n;A;c;b)) = b ∈ Matrix(n;m;r) supposing (c * |A|) = 1 ∈ |r|
BY
{ (Auto
THEN Unfold `adj-solution` 0
THEN (RWW "matrix-times-scalar-mul matrix-times-assoc< adjugate-property" 0 THENA Auto)) }
1
1. r : CRng
2. n : ℕ
3. m : ℕ
4. A : Matrix(n;n;r)
5. c : |r|
6. b : Matrix(n;m;r)
7. (c * |A|) = 1 ∈ |r|
⊢ c*(|A|*I*b) = b ∈ Matrix(n;m;r)
Latex:
Latex:
\mforall{}[r:CRng]. \mforall{}[n,m:\mBbbN{}]. \mforall{}[A:Matrix(n;n;r)]. \mforall{}[c:|r|]. \mforall{}[b:Matrix(n;m;r)].
(A*adj-solution(r;n;A;c;b)) = b supposing (c * |A|) = 1
By
Latex:
(Auto
THEN Unfold `adj-solution` 0
THEN (RWW "matrix-times-scalar-mul matrix-times-assoc< adjugate-property" 0 THENA Auto))
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