The errors checked for are transposed characters, a missing character, and a character too many.
Consideration of the definition of the determinant shows that the value is unaltered when the suffixes in each element are transposed.
Section in front of mouth; the right and left sides are transposed.
It may be added, that if the lines are converted into columns, and the columns into lines, in such a way as to leave the dexter diagonal unaltered, the value of the determinant is unaltered; the determinant is in this case said to be transposed.
In more general terms, the bells ABC have been transposed into cab.
