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1. Which statement about the following argument is true?

 

If an animal is a koala, then it must be a marsupial. That animal is a marsupial. Therefore, it is a koala.

 

Options

The argument is valid by the law of detachment

The argument is not valid

the argument is valid by the law of syllogism

the argument is valid but does not follow the law of syllogism

 

2.

Which statement is a conditional statement?

Options

 

I will carpool you

Ill pick up lejla, and then ill pick up you

if it s rush hour, then traffic may be heavy

we may be late

 

3.

What is the contrapositive to the following statement?

if you send me an email today, then I will send you an email tommorow.

 

Options

if i dont send you an email tommorow, then you will not send me an email today

if i send you an email tommorow, then you will send me an email today

if you do not send me an email today, then i will not send you an email tommorow

if you send me an email today, i will send you an email today

 

4.

What is the contrapositve to this statement?

If you feel hungry, then you eat

 

Options

If you dont feel hungry, then you dont eat

if you feel hungry, then you dont eat

if you eat, then you feel hungry

if you dont eat, you dont feel hungry

 

 

Thanks so much!!!!!!!!!!!

 Jan 8, 2019
 #1
avatar+103138 
+2

I know a couple

 

2.  A conditional statement  has the form  :

 

     If A   then B

 

So

 

if it s rush hour, then traffic may be heavy       is  the conditional statement

 

 

3. 

 

Original statement    If A, then B

 

Contrapositive   "switch" A and B   and negate both

 

So

 

Original statement :  if you send me an email today, then I will send you an email tommorow.

 

Contrapositive : if i dont send you an email tommorow, then you will not send me an email today

 

 

 

cool cool cool

 Jan 8, 2019
 #2
avatar+103138 
+2

4.

What is the contrapositve to this statement?

If you feel hungry, then you eat

 

Original :  If A, then B

 

Contrapositive : If not B, then not A

 

So  the contrapositive is ;

 

If you don't eat, then you will not feel hungry

 

cool cool cool

 Jan 8, 2019
 #3
avatar+20 
+1

Thanks man for the help!!!!

ChrisFarley  Jan 8, 2019
 #4
avatar+103138 
+1

1. Which statement about the following argument is true?

 

If an animal is a koala, then it must be a marsupial. That animal is a marsupial. Therefore, it is a koala.

 

 

This is not a valid argument

 

An animal may be a marsupial.....but not necessarily be a koala...

 

 

cool cool cool

 Jan 8, 2019

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