Which of these is a valid conclusion?
Answer

All carpenters make furniture.
Patrick makes furniture.
Therefore Patrick is a carpenter.

All carpenters make furniture.
Patrick does not make furniture.
Therefore Patrick is not a carpenter.

All carpenters make furniture.
Patrick is not a carpenter.
Therefore Patrick makes furniture.

All carpenters make furniture.
Patrick is a carpenter.
Therefore Patrick does not make furniture.

Question

Which of these is a valid conclusion?
Answer
		
All carpenters make furniture.  
   Patrick makes furniture.
   Therefore Patrick is a carpenter.
		
All carpenters make furniture.  
       Patrick does not make furniture.
       Therefore Patrick is not a carpenter.
		
All carpenters make furniture.  
   Patrick is not a carpenter.
   Therefore Patrick makes furniture.
		
All carpenters make furniture.  
   Patrick is a carpenter.
   Therefore Patrick does not make furniture.

jhonyy9 · Answer

first and second i think will be true

pfenn1 · Answer

I think the first is not necessarily true because the statements don't say that other types os people can't make furniture.  Patrick could be a builder who makes furniture.  Just because he makes furniture, doesn't make him a carpernter.

anonymous · Answer

thankss

pfenn1 · Answer

you are welcome

anonymous · Answer

so which  was the right answer?

anonymous · Answer

The Second One