Assertion: determinant | /r/HasProperty | the product of a times
Facets:
Source sentences:
text: So I've finally discovered that the determinant of this matrix -- I've got it from the properties, not by knowing the answer from last year, that the determinant of this two-by-two is the product of A times that, and of course when I multiply A by that, the product of that and that is ad minus, the a is canceled,