Tautology And Contradiction

The proposition p rarr ~(p^^q)" is "a tautology contradiction. neither tautology nor contradiction. none of these

If statements t and f represent a tautology and a contradiction (fallacy) respectively, then p^^tequiv

If statements t and f represent a tautology and a contradiction (fallacy) respectively, then pvvf equiv

If statements t and f represent a tautology and a contradiction (fallacy) respectively, then pvvtequiv

If statements t and f represent a tautology and a contradiction (fallacy) respectively, then p^^~pequiv

If statements t and f represent a tautology and a contradiction (fallacy) respectively, then p^^fequiv

If p is any statement,t and c are a tautology and a contradiction respectively then which of the following is not correct- (a) p^^t=p(b)p^^c=c(c)p vv t=c(d)p vv c=p

Using truth tables, determine wether the following statements are tautology or contradiction or contingency : (1) ~(~p^^~q)vvq (2) [(pvvq)^^~p]^^(~q)

Using truth tables. Examine whether the stateements pattern (p^^q) v(p^^r) is tautology. Contradiction or continegency.

Answer the following questions Examine whether the statement pattern is a tautology, contradiction or contingency (p ^^ ~q) rarr (~p ^^ ~q)