Question

Write the negation of the following statements and check whether the
resulting statements are true,
(i) Australia is a continent.
(ii)
There does not exist a quadrilateral which has all its sides equal.
(iii)
Every natural number is greater than 0.
(iv)
The sum of 3 and 4 is 9.

Answer 1

@perl

Answer 2

you can do the first one

Answer 3

is it this

The negation of the statement is
It is false that Australia is a continent.
This can also be rewritten as
Australia is not a continent.
We know that this statement is false.

am I correct ?

Answer 4

Australia is a continent.

Answer 5

@perl can you now please help in others

Answer 6

correct so far

Answer 7

First of all for solving this question do you know the conception of : Theory of Equations

And after doing that, I personally guarantee that you can on your own solve this particular question.
I personally believe, the happiness of solving Mathematics on our is much better.

Answer 8

the sum of of 3 and 4 is not 9

Answer 9

@sima.r what about the theory of equations. please elaborate :)