... ~(p ∧ q) and ~p ↔ (p → ~q)
∴ (~F ∨ F) ↔ ~(F ∧ F) and ~F ↔ (F → ~F)
∴ (T ∨ F) ↔ ~F and T ↔ (F → T)
∴ T ↔ T and T ↔ T
T and T
2. ~p ∧ (q ∨ ~r) and (p → q) ∧ r
∴ ~T ∧ (T ∨ ~F) and (T → ... ∨ T) and (T ∧ F)
= F ∧ T and T ∧ F = F, F
3. (p → q) ↔ (~q → ~p) and (~p ∨ q) ∧ (~q ∨ p)
∴ (T → F) ↔ (~F → ~T) and (~T ∨ F) ∧ (~F ∨ T)
∴ F ↔ (T → F) and (F ∨ F) ∧ (T ∨ T)
∴ F ↔ F and F ...
Chandigarh is capital of Punjab, then
Chandigarh is in India’, is
(A) If Chandigarh is not in India, then
Chandigarh is not a capital of Punjab
(B) If Chandigarh is in India, then
Chandigarh...