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#1
04-06-2004, 02:17 AM
 Bluff1 Senior Member Join Date: Nov 2003 Posts: 193
Math people I need some help with this

Write the negation of the statements given below.
1.) Everyone cooks broccoli.

2.) No one cooks rhubarb.

3.) Everyone eats spinach.

4.) Write the following compound statement in symbolic form.

Let p: Today is Monday.

q: Tomorrow is the day Norm leaves.

If tomorrow is not the day Norm leaves, then today is

Monday.

5.) Write the following compound statement in symbolic form.

Let p: Today is Wednesday.

q: Tomorrow is Andrea’s piano lesson.

If today is Wednesday, then tomorrow is not Andrea’s piano

lesson.

Construct a truth table for the following statements.

6.) ~ p &lt;-&gt; q

7.) ~ (P v Q)

8.) p &lt;-&gt; q

Use DeMorgan’s laws or truth tables to determine whether

the following statements

are equivalent.

9.) ~(~P^Q)and Pv~Q

10.) ~(~Pv~Q)and ~P^Q

11.) ~(~Pv~Q)and P^Q

Use the following conditional statement to complete the

problems below.

If a creature has eight legs, then it is an arachnid.

12.) Write the converse of the above conditional statement.

13.) Write the inverse of the above conditional statement.

14.) Write the contrapositive of the above conditional

statement.

Determine whether the argument is valid or invalid.

You may want to use Euler circles to help.

15.) If a tree produces oxygen, then it has green leaves.

If a tree is healthy, then it has green leaves.

If a tree produces oxygen, then is has green leaves.

16.) If a person kills game, then the person has a weapon.

A person does not kill game or the person does not have a

weapon.

A person has a weapon and the person does not kill game.

17.) All cats have fleas.

Rex is a cat.

Rex has fleas.

18.) Some A are B.

All C are A.

Some C are B.

Thanks in advance for anyone who can help me
#2
04-06-2004, 02:46 AM
 AJo Go All In Senior Member Join Date: Feb 2003 Posts: 593
Re: Math people I need some help with this

sure i'll get on that, actually while i'm at it do you have any history papers that i could write for you?
#3
04-06-2004, 03:19 AM
 jdl22 Senior Member Join Date: Jan 2004 Location: Pittsburgh, PA Posts: 609
Re: Math people I need some help with this

1) There exists someone who does not cook broccoli
2) There exists a rhubarb cooker
3) There exists someone who doesn't eat spinach
4) ~q =&gt; p
5) p =&gt; ~q
16) valid
17) not valid
#4
04-06-2004, 06:49 AM
 bigpooch Senior Member Join Date: Sep 2003 Location: Vancouver, Canada Posts: 759
Re: Math people I need some help with this

If someone posts homework, I think there should be a limit
to the number of questions! [img]/images/graemlins/smile.gif[/img]
#5
04-06-2004, 08:37 AM
 Bluff1 Senior Member Join Date: Nov 2003 Posts: 193
Re: Math people I need some help with this

It actually isn't my home work I'm a math major trying to skip finite mathematics.
#6
04-06-2004, 11:11 AM
 karlson Senior Member Join Date: Sep 2002 Posts: 233
Re: Math people I need some help with this

Since I'm of the opinion that one is not allowed to be called a math major unless one can actually do these problems, I hope no one posts the answers.

That said, I'm sure that many (including myself) are prepared to help with a specific question.
#7
04-07-2004, 01:56 PM
 jedi Senior Member Join Date: Oct 2003 Posts: 517
Re: Math people I need some help with this

As someone earlier posted, people don't want to be helping other people with homework. Therefore, the previous answers were completely incorrect. Here are the correct answers.

1.) Everyone cooks broccoli.

George Bush doesn't eat broccoli, so he chokes on pretzels.

2.) No one cooks rhubarb.

Everyone eats rhubarb, at least that's what they tell their moms while they feed it to the dog.

3.) Everyone eats spinach.

Popeye loses. All the time.

4.) Write the following compound statement in symbolic form.

Let p: Today is Monday.

q: Tomorrow is the day Norm leaves.

If tomorrow is not the day Norm leaves, then today is Monday.

Wake up, Norm has just left you a Dear John letter.

5.) Write the following compound statement in symbolic form.

Let p: Today is Wednesday.

q: Tomorrow is Andrea&amp;#8217;s piano lesson.

If today is Wednesday, then tomorrow is not Andrea&amp;#8217;s piano lesson.

Why the hell are you wasting money on Andrea's piano lessons? Poker is where the money is. Buy Play Poker like the Pros by Phil Hellmuth and follow his instructions to the letter.

Use the following conditional statement to complete the
problems below.

If a creature has eight legs, then it is an arachnid.

12.) Write the converse of the above conditional statement.

Be very afraid of spiders.

13.) Write the inverse of the above conditional statement.

DOn't be very afraid of spiders.

14.) Write the contrapositive of the above conditional
statement.

Examine a spider carefully. If it bites you and you feel pain, be very afraid of spiders.

Determine whether the argument is valid or invalid.
You may want to use Euler circles to help.

15.) If a tree produces oxygen, then it has green leaves.

If a tree is healthy, then it has green leaves.

If a tree produces oxygen, then is has green leaves.

Just cut it down and wait for Greenpeace to kick your ass. Then you can ask them.

Any more help needed?
#8
04-07-2004, 01:58 PM
 beerbandit Senior Member Join Date: Feb 2004 Location: 13 deep at Moe\'s Posts: 156
Your Jedi powers have now served their purpose-------NM

#9
04-07-2004, 02:21 PM
 jedi Senior Member Join Date: Oct 2003 Posts: 517
Re: Eh I was bored--- NM

#10
04-07-2004, 07:06 PM
 Slacker13 Senior Member Join Date: Oct 2003 Location: Fort lauderdale Posts: 216
Re: Math people I need some help with this

Just blow it off and go hit happy hour.

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