Question

That if x • y = 0, then either x or y is 0. You have this problem for homework: 5x=0 and reason that x must be 0. What type of reasoning is this?

Answer 1

Can someone help mee :) please

Answer 2

to call any one u can mention them like @UnkleRhaukus :)

Answer 3

but if they r free :)

Answer 4

is 5 = 0 ??

Answer 5

So if a number times a number is 0, one of them have to be 0.
In the case of 5x=0, either 5 or x has to be 0.
5 cannot be 0, so x must be 0.

(I don't know the type of reasoning, sorry)

Answer 6

deductive?

Answer 7

http://changingminds.org/disciplines/argument/types_reasoning/types_reasoning.htm
might be comparative too