Product of two negative numbers is positive
17515
Why is negative times negative = positive?
96217
If a and b are non-negative real numbers then demonstrate inequality
100720
Negative quotients and their remainders
129163
Showing that every positive integer can be represented in this form
46410
sum of the product of consecutive legendre symbols is -1
93617
Sum of the product of two combinations
68434
Typesetting of negative versus minus?
113506
negative number divided by positive number, what would be remainder?
155635
Why is the math for negative exponents so?
650
Modulus operation with negatives values - weird thing?
122156
An inequality concerning three positive numbers
36011
Show that the product of two consecutive natural numbers is never a square.
56311
Proving $(1+a_{2})^{2}(1+a_{3})^{3}\cdots(1+a_{n})^{n}\ge n^n$ for positive reals $a_2,\ldots, a_n$ whose product is $1$
53421
What's the opposite of a cross product?
74058
Sums and products of algebraic numbers
64896
Dealing with non-integral powers on negative numbers
51834
Positivity of a determinant