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
Show that the function
Condider the following two statement
We know that the statement
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...
Graph Graph Theory is the subject of study of graphs, which are mathematical structures used to model pairwise relations between objects.