Let P(n) be the statement "3n>n". If P(n) is true, P(n+1) is true.
Let P(n) be the statement : 2n≤3n. If P(r) is true, show that P(r + 1) is true. Do you conclude that P(n) is true for all nϵN.
Let P(n) denote the statement that n2 + n is odd. It
is seem that P(n) ⇒ P(n + 1), Pn is true for all