Logical equivalent proposition to the proposition ̴ (p ˅q) is

  Let p and q be two propositions. Then the inverse of the implication p → q is ?

  Let p and q be two propositions, then the contra positive of the implication p → q is.

  If p and q are two simple propositions, then p → q is false when.

  If p and q are two simple propositions, then p ↔ ̴ q is true when.

  For any three propositions p,q and r the proposition (p ^q) ^ (q ^ r) is true when

  If p and q are two propositions, then ̴ (p ↔ q) is

  P ^ (q ^ r) is logically equivalent to

  ̴ ( ̴ p) ↔ p is

  Which of the following Is logically equivalent to ̴ ( ̴ p →q) ?