If formal arguments are evaluated for validity (if the premise is true, the conclusion must be true), and informal arguments aren't capable of validity, but can be evaluated for their strength, does this mean that "must be true" questions on the LSAT will always be dealing with formal arguments and questions asking us to evaluate the strength of the argument will deal with informal?
#help I don't understand how causal arguments are never valid. I went forward a few lessons and it started talking about phenomena and the arguments, but how are they invalid? Also, couldn't causal logic be transformed to an if, then argument? #feedback
first of all, I don't know anyone in my life that'd make me happier than a 180..but causal logic means that I might be dressed up enough (aka not a weak argument) to get into Jean-Georges, but it is not dressed up enough to guarantee entrance to the opening night at the metropolitan opera.
I know this sounds dumb -- but for the sake of even more clarity, can you give a definition of cause? You use the word in parenthesis, but it would be better if there was an established common understanding of the concept the "cause" is referring to.
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24 comments
If formal arguments are evaluated for validity (if the premise is true, the conclusion must be true), and informal arguments aren't capable of validity, but can be evaluated for their strength, does this mean that "must be true" questions on the LSAT will always be dealing with formal arguments and questions asking us to evaluate the strength of the argument will deal with informal?
Oh no, more ambiguity......
Anyone here from the strengthen weaken logical reasoning section -_-
Am I the only one who keeps reading that word as "casual?"
great analogies thanks!!!
Pretty sure "phenomenon" in in the Let's Review section should be "phenomena."
Let's see what the hype is all about.
how can one differentiate between a causal argument and conditional statements
"A large portion of the arguments you will encounter on the test will use causal logic."
arguments ←s→ casual logic
"What can be done to improve social and economic mobility?"
Answer: The liberation of the proletariat and the establishment of a communist society.
#help I don't understand how causal arguments are never valid. I went forward a few lessons and it started talking about phenomena and the arguments, but how are they invalid? Also, couldn't causal logic be transformed to an if, then argument? #feedback
first of all, I don't know anyone in my life that'd make me happier than a 180..but causal logic means that I might be dressed up enough (aka not a weak argument) to get into Jean-Georges, but it is not dressed up enough to guarantee entrance to the opening night at the metropolitan opera.
I dress casually to the bar. My outfit causes people to say "oh la la"
I know this sounds dumb -- but for the sake of even more clarity, can you give a definition of cause? You use the word in parenthesis, but it would be better if there was an established common understanding of the concept the "cause" is referring to.
This is a very important and clarifying lesson!