Computer Sciences > Gate 2017 Set-1 > Pridicate Calculas
Let p, q, and r be the propositions and the expression (p -> q) -> r be a contradiction. Then, the expression (r -> p)-> q is
A
a tautology
B
a contradiction
C
always TRUE when p is FALSE
D
always TRUE when q is TRUE

Correct : d

Related Topics

No tags found

Unique Visitor Count

Total Unique Visitors

Loading......