Laws of Logic

Which law of logic is this: If I buy a dress, then I won't get chips. I bought a dress. 

• Law of Detachment
• Law of Contrapositive
• Law of Syllogism
• Law of Biconditional

How would you symbolize this: If I go to the store, then I will go out to eat. I didn't go out to eat. 

• p→q
• p→ q
  ~q
• p→~q
• p→ q
  p

Tags

CCSS.7.SP.C.8B

True or False: Law of detachment uses previously made statements to draw a logical conclusion. 

• True 
• False

What is the conclusion made using syllogism: If it rains on my bike, then it will get rusty, If it gets rusty, then I can't ride it anymore. 

• If it rains on my bike, then I can ride it. 
• If it gets rusty, then I can't ride it. 
• If it rains on my bike, then I can't ride it anymore. 
• None of the above

Out of the things listed, which isn't a law of logic?

• Converse
• Contrapositive
• Detachment
• Syllogism

How would you symbolize this statement: If I clean the bathroom, then I don't have to do the dishes. I cleaned the bathroom. 

• p→ q
  ~q
• p→ q
  p
• ~p→ q
  ~q
• ~p→~q

True or False: Syllogism has no repeated statements. 

• True 
• False

Which law of logic is this: If my mom stays home, then she won't buy shoes. If she doesn't buy shoes, then she'll wear an old pair. 

• Contrapositive
• Converse
• Detachmant
• Syllogism

True or False: The "therefore" symbol is represented by three dots in a row. 

• True
• False

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

Negations are:

• the opposite of the original statement
  
• the same as the original statement 

Tags

CCSS.RI.1.4

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.K.4

CCSS.RL.3.4