I thought the rule was that if there were more than two premises, then the conclusion would always be invalid. Which led me to my answer choice of no valid conclusion. Some clarification would be helpful.
Replies
Create a free account to read and
take part in forum discussions.
Where'd you hear that rule? That's not the case. The conclusion is invalid if it's not supported by the premises. It's certainly possible for there to be more than two premises that, when combined, support the conclusion.
For this question, we can combine all of the premises to form a valid conclusion.
B-most-A - >not Z - >F
Conclusion?
B-most-F
This is what (D) says, so it's the correct answer.
On this question, all of the premises link up together nicely to allow us to conclude B-most-F. If you're having trouble with quantifiers, I highly recommend reviewing our video lessons on them, as they will help you to further familiarize yourself with the concepts.
Does this make sense? Let us know if you have any other questions!
anthonylyons14August 6, 2019
Thank you for the clarification.
RaviAugust 9, 2019
@anthonylyons14, you're welcome! Let us know if you have any other questions!
the66guyNovember 19, 2021
I thought you could only combine some (not most) statements with conditional statements. Looks like I need to review.
RaviFebruary 8, 2022
@the66guy, you can also combined most statements with them. Definitely check out our quantifiers module in the curriculum, as it does a great job of explaining some, most, and all statements.
