First slide

Introduction to mathematical reasoning

Question

$If p \Rightarrow (q \lor r) is false, then truth values of p, q, r a r e r e s p e c t i v e l y$

Moderate

A

T,F,F
B

F,T,T
C

T,T,F
D

F,F,F

Solution

$If p \Rightarrow q is false only when p is true and q is false$
$p \Rightarrow q \lor r is false when p is true and q \lor r is false$
$and q \lor r is false when both q and r are false$
$Hence, truth values of p, q, r are respectively T, F, F .$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App