Matrix.adjugate_fin_two

∀ {α : Type w} [inst : CommRing α] (A : Matrix (Fin 2) (Fin 2) α), A.adjugate = !![A 1 1, -A 0 1; -A 1 0, A 0 0]

Defined in: Mathlib.LinearAlgebra.Matrix.Adjugate
Cited by: 3 results in Mathlib
Foundations: Depth 98 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: CommRing

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