## If x Subset Of Y Then Inverse Of x Also Subset Of Y?

Let $$f : X \rightarrow Y$$ be a function. If B is subset of y then its inverse image $$f^-B$$ is the subset of x define by

## Can sin(x) Uniformly Convergence On [a, b] ?

Show that the function

## Is Statement And Negation Of Statement Same Thing?

Condider the following two statement

## Is Y Is Inverse Of Every Real Number?

We know that the statement

## Is Every Real Number Has Additive Inverse?’

Distinguish between two statements $$(\forall x \in R)\ ( \exists y \in R)\ (x + y = 0 )\ and\ ( \exists y \in R)\ ( \forall x \in R)\ (x + Y = 0)$$ Sol...