Assertion: matrix's column | /r/HasProperty | column
Facets:
value: precisely
type: DEGREE
value: with pivots
type: OTHER
Source sentences:
text: Note that the independent columns of the reduced row echelon form are precisely the columns with pivots.
text: The columns of the matrix follow a similar pattern; the left most column is referred to as column 1 (first column consisting of entries a and c); and the next column is column 2 (second column consisting of entries b and d), with subsequent columns numbered in a similar increasing order.