e/Lewis Carroll identity

Information
has gloss	eng: The Lewis Carroll identity is an identity involving minors of a square matrix proved by Charles Dodgson (pseudonym Lewis Carroll), who used it in a method of numerical evaluation of matrix determinants called the Dodgson condensation. From the modern perspective, the Lewis Carroll identity expresses a straightening law in the algebra of polynomial functions of matrices.
lexicalization	eng: Lewis Carroll identity
instance of	(noun) a square matrix used to solve simultaneous equations determinant