1.

Let R and S be two non-void relations in a set A. which of the following statements is not true?

A. R and S transitive\[\Rightarrow \] \[R\cup S\] is transitive
B. R and S transitive\[\Rightarrow R\cap S\] is transitive
C. R and S transitive\[\Rightarrow R\cup S\] is symmetric
D. R and S reflexive\[\Rightarrow R\cap S\] is reflexive
Answer» B. R and S transitive\[\Rightarrow R\cap S\] is transitive


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