First slide

Introduction to mathematical reasoning

Question

$~ (p \lor (~ q))$ is equal to

Easy

A

$~ p \lor q$
B

$(~ p) \land q$
C

$~ p \lor ~ p$
D

$~ p \land ~ q$

Solution

$~ (p \lor (~ q)) \equiv\sim p \land ~ (~ q) \equiv (~ p) \land q$

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