" Show that "pi{P[P-(P(phi))]}=4

Show that n{P{P(P(varphi))}}=4

Show that n{P{P(P(varphi))}}=4.

Show that n[P[P.(P(phi)))=4

Show that n(P(P(P( phi))))=4

The cardinality of the set P{P[P(phi)]} is

Prove that for a null set phi, n{P(P(phi))}=2 .

Let P (n) denote the statement : “ 2^n gen ! ". Show that P(1), P(2) and P(3) are true but P(4) is not true.

If p - frac(1)(p) = m then let's show that (p + frac(1)(p))^2 = m^2 + 4

Find the number of element of P(P(P(phi)))