Homework Statement
∃x∀y(y̸=0→xy=1) in the real numbers universe.
Homework Equations
The Attempt at a Solution
Since the given statement is false I negated the whole statement to become
∀x∃y(y̸!=0^xy!=1) (!= means not equal to)
then I would have to prove this correct...
Homework Statement
x is square free (not divisible by a perfect square) on Z
Homework Equations
Z meaning all integers.
The Attempt at a Solution
I did a similar problem earlier that asked for the expression for prime numbers on the Natural numbers domain. For that problem the...
5,10,15,and at 20 seconds so four times. If I use a system that winds down once I wouldn't really know how to make it make the sound four times, I guess that's how the grandfather clock would work
My semester project is to create a device that will make a sound at 5,10 15, and 20 seconds exactly using only gravitational energy.
-My initial design used two rotating axles with two gears through them and a chain. It would begin by me dropping a weight attached to one of the axles making it...