Suppose that the relation R is reflexive. Show that R∗ is reflexive.

[lse123polis]

Discrete math - Relations
1. Suppose that the relation R is reflexive. Show that R∗ is reflexive.
2. Suppose that the relation R is irreflexive. Is the relation R2 necessarily irreflexive?

You have any idea how solve these?

 

[stapel]

1. Suppose that the relation R is reflexive. Show that R∗ is reflexive.

What is your book's definition of "R*"?

2. Suppose that the relation R is irreflexive. Is the relation R2 necessarily irreflexive?

What is your book's definition of "R2"?

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