If p Rightarrow (q vee r) is false, then the | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(a) $p \Rightarrow q$ is false only when $p$ is true and $q$ is false.

$p \Rightarrow q$ is false when $p$ is true and $q \vee r$ is false, and

Vedclass · Accepted Answer

$T, F, F$

Vedclass · Answer

(a) $p \Rightarrow q$ is false only when $p$ is true and $q$ is false.

$p \Rightarrow q$ is false when $p$ is true and $q \vee r$ is false, and $q \vee r$ is false when both $q$ and $r$ are false.

Hence truth values of $p, q$ and $r$ are respectively $T, F, F.$

If $p \Rightarrow (q \vee r)$ is false, then the truth values of $p, q, r$ are respectively