false positive true negative

Using the subtraction rule, determine whether the statement is true or false. 'If you subtract a negative number from a positive number, the result is always a positive number.' => True or False..

Let p be any proposition. The proposition "not p" is called the negation of p. It is denoted by ~p. [The negation of p is false if p is true and the negation of p is true if p is false] Following is the truth table for ~p..

"The opposite of a number is always negative." Is this statement true or false? => False or True..

Is the statement 'The product of 11 and negative 13 is negative 2' true, false or an open sentence? => Open sentence or False or True..

Is the statement 'The product of negative eight and two is opposite of sixteen" true or false? => False or True..

In 1884 a Danish physician Christian Gram devised a technique of differential staining for bacterial cells, using two simple stains. The procedure involves staining bacteria initially with a weak alkaline solution of gentian (crystalline) violet. All bacterial cells stain blue with this dye. Subseq..

Is the statement 'All the sides of a rhombus are not equal' true or false? => False or True..

"The opposite of | d | is always negative." Determine whether the statement is true or false. => True or False..

(- | x |) 2 is always positive. State whether the statement is true or false. => True or False..

A Pythagorean triplet when multiplied by a positive integer n is also a Pythagorean triplet. State whether the statement is true or false. => True or False..