# Recent questions in Discrete Mathematics - Computer science

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Answers#### Write given propositions in the form "p if and only if q" in English. "The trains run late on exactly those days when I take it."

please note it has to be in form of p iff q

25/09/2012
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Answers#### Write given statement in the form "if p, then q" in English. "That the Pistons win the championship implies that they beat the Lakers."

I think only wording in sentence should change but using p and q.. i dont know what is value for p and q

25/09/2012
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Answers#### "The prerequisite for the course is a course in number theory or a course in cryptography", determine whether its an inclusive or an exclusive or is intended. Explain your answer.

Inclusive and exclusive or operations

25/09/2012
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Answers#### Determine whether this statement is true or false. If 1 + 1 = 3 then 2 + 2 = 5.

how to see it, exactly.

25/09/2012
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Answers#### Let p, q, and r be the propositions p : Grizzly bears have been seen in the area. q : Hiking is saf e on the trail. r : Berries are ripe along the trail. Write "Hiking is not saf e on the trail whenever grizzly bears have been seen in the area and berries are ripe along the trail." propositions using p, q, and r and logical connectives.

Three proposition and in english sentence, enough to make me lost. i hope someone here will help me. thanks in advance friends

25/09/2012
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Answers#### Let p and q be the propositions p : You drive over 65 miles per hour. q : You get a speeding ticket. Write "Driving over 65 miles per hour is sufficient for getting a speeding ticket. "proposition using p and q and logical connectives.

Understanding proposition topic by taking real life example

25/09/2012
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Answers#### If p : It is below freezing. q : It is snowing. What will be logical proposition for "That it is below freezing is necessary and sufficient for it to be snowing"

p and q are given here, i need logical proposition for this tough understanding statement

25/09/2012
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Answers#### Let p and q be the propositions "Swimming at the New Jersey shore is allowed" and "Sharks have been spotted near the shore," respectively. Express--.p /\ (p V --.q) propositions as an English sentence

Even p and q are coommon use in propositions, but when it comes to making sentence I lost

25/09/2012
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Answers#### Let p and q be the propositions "Swimming at the New Jersey shore is allowed" and "Sharks have been spotted near the shore," respectively. Express --.q --> p propositions as an English sentence

proposition in english

25/09/2012
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Answers#### Let p and q be the propositions "Swimming at the New Jersey shore is allowed" and "Sharks have been spotted near the shore," respectively. Express --.p v q propositions as an English sentence

I thought Math is about counting only but it has sentence too. hard for me to understand

25/09/2012