Question #72464

5. Let p and q be the propositions.

p: You drive over 65 miles per hour.
q: You get a speeding ticket.

Write these propositions using p and q and logical connectives (including negations).

a) You do not drive over 65 miles per hour.
b) You drive over 65 miles per hour, but you do not get a speeding ticket.
c) You will get a speeding ticket if you drive over 65 miles per hour.
d) If you do not drive over 65 miles per hour, then you will not get a speeding ticket.
e) Driving over 65 miles per hour is sufficient for getting a speeding ticket.
f) You get a speeding ticket, but you do not drive over 65 miles per hour.
g) Whenever you get a speeding ticket, you are driving over 65 miles per hour.
1

Expert's answer

2018-01-15T05:40:16-0500

Answer to Question #72464, Math / Discrete Mathematics

Let pp and qq be the propositions.

p: You drive over 65 miles per hour.

q: You get a speeding ticket.

Write these propositions using pp and qq and logical connectives (including negations).

a) You do not drive over 65 miles per hour.

b) You drive over 65 miles per hour, but you do not get a speeding ticket.

c) You will get a speeding ticket if you drive over 65 miles per hour.

d) If you do not drive over 65 miles per hour, then you will not get a speeding ticket.

e) Driving over 65 miles per hour is sufficient for getting a speeding ticket.

f) You get a speeding ticket, but you do not drive over 65 miles per hour.

g) Whenever you get a speeding ticket, you are driving over 65 miles per hour.

Answer:

a) p\sim p

b) pqp \wedge \sim q

c) pqp \to q

d) pq\sim p \to \sim q

e) pqp \to q

f) qpq \wedge \sim p

e) qpq \to p

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Comments

Assignment Expert
16.07.19, 18:56

We think the answer of c) should be p -> q because according to the statement of c), 'if you drive over 65 miles per hour, you will get a speeding ticket'. If the statement of c) contained words 'if and only if', then one would write the answer of c) as p q.

Sadman
16.07.19, 18:41

i think the ans of C is wrong it should be Bi Conditional form. That's mean the ans will be p↔ q

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