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How to express the following statements using logical connectives? p: Enemies are found. q: Weapon is...

How to express the following statements using logical connectives?

p: Enemies are found.

q: Weapon is given.

r: Virus is present.

1. Weapon is not given if enemies are found.

2. If either enemies are not found or virus is not present, then weapon is given.

3. If virus is present, then weapon is given if and only if enemies are not found.

4. If weapon is granted, then either enemies are not found or virus is not present, but not both.

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