For question 5, I'm confused as to why Fewer than half doesn't imply some of the kittens adopted yesterday went to homes with children. I understand why most is not true, but I'd think fewer than half also translates to some.
“Some cafes in the city serve hand poured single origin coffee.”
“Some” quantifies over the subject set “cafes in the city.” It pushes “some” members in that set over to the predicate set “serve hand poured single origin coffee.” city ← S → hpsoc hpsoc ← S → city The “some” arrow is reversibly read. (A ← S → B) ← → (B ← S → A) That means if it’s true that some cafes in the city serve hpso coffee, then it’s true that some cafes that serve hpso coffee are in the city.
“Most gold mines that supply unprocessed ore to Casterly Rock are running low on gold deposits.”
“Most” quantifies over the subject set “gold mines that supply unprocessed ore to Casterly Rock.” It pushes “most” members in that set over to the predicate set “are running low on gold deposits.” Gold Mines Supply CR -- m → Low on Gold Deposit “most” are not reversible!
“Many turtles swim across the Pacific to return to their hatching beach.”
“Many” quantifies over the subject set “turtles.” It pushes “many” members in that set over to the predicate set “swim across the Pacific to return to their hatching beach.”
If you want, you could translate “many” to “some.” I just want to make sure that you don’t mistakenly think that “many” turtles swim across…means that “most” turtles swim across because that's not true.
“Prof. Sprout’s Mandrake inspections are usually conducted on Mondays.”
The quantifier here is “usually.” We’re talking instances of Prof. Sprout inspecting her Mandrakes. “Usually” says that “most” of those instances are “Mondays.” Mandrake Inspection - - m → Monday Does this mean that on most Mondays, Prof. Sprout inspects her Mandrakes? No. Absolutely not. For all we know, she only inspects her Mandrakes ten times a year. Eight of those ten inspections are on Mondays. There are more than fifty Mondays in any given year. Be careful not to read ( A - - m → B) as ( B - - m → A)
“Fewer than half of the kittens adopted yesterday went to homes with children”
“Fewer than half” means “most not.” Fewer than half of the apples are rotten means that more than half of the apples are not rotten. The quantification is over the subject set - “kittens adopted yesterday” - and the “not” gets pushed onto the predicate set - “[not] went to home with children.” [ Kitten - - m → /Home -children ]
I know we can infer that when we use the quantifier many, it implies some. But we can not infer the opposite. If some dogs are pets, we can't infer that many dogs are pets can we?
Can we breakdown 5 more in depth? I understand what the video is stating but I took the word "Fewer" and used that as an indicator for my Lawgic, like this:
1/2 adopted kittens <--S--> went to homes with children
I am interpreting this as some of the 1/2 of the kittens went to home with children. While I understand that the contrapositive doesn't correlate with the video, I do need a little more guidence as to why my answer is not accurate.
Lawgic feels very unnecessary for these. If that works for you, and thats what you need to do, go for it. But if you are understanding all of these quantifiers without them, then I think you can skip them. Most ( ;) )of us probably can.
For number 5, I said kittens adopted ←s→ homes with children. Is that the same as kitten —m→ /home-children? On the module for "Few" it said Few meant "some are" and "most are not". x←s→y. and x—m→ /y
Referencing #5, is it safe to assume if "than half" or a phrase representing half is used, then we'll use most in some way? I know it might not always be this way, but just trying to get this straight in my head.
LSAT logic question for you all - if someone 'usually exercises on Monday,' does that definitely mean they exercise on Monday more than 50% of the time?
What if they work out 100 times total: 49 workouts on Monday, and the other 51 workouts split evenly across Tue-Sun (about 8-9 each day). Monday is still their most common workout day, but it's not actually the majority of their workouts.
Would you still say they 'usually exercise on Monday' in this case? Trying to figure out how strict the LSAT is with 'usually' = majority vs. just most frequent.
for question #4 the quantifier usually, are there other words that could imply other quantifiers? Maybe I missed the lessons discussing how usually means most, but that threw me for a loop. Anyone else?
In the explanation video you mention that 0 kittens can go to families with children. Based on the few quantifier video this is incorrect as you mention that few is some but not many meaning at least one kitten must go to a family with children. If I'm incorrect about this can someone please let me know.
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186 comments
For question 5, I'm confused as to why Fewer than half doesn't imply some of the kittens adopted yesterday went to homes with children. I understand why most is not true, but I'd think fewer than half also translates to some.
“Some cafes in the city serve hand poured single origin coffee.”
“Some” quantifies over the subject set “cafes in the city.” It pushes “some” members in that set over to the predicate set “serve hand poured single origin coffee.” city ← S → hpsoc hpsoc ← S → city The “some” arrow is reversibly read. (A ← S → B) ← → (B ← S → A) That means if it’s true that some cafes in the city serve hpso coffee, then it’s true that some cafes that serve hpso coffee are in the city.
“Most gold mines that supply unprocessed ore to Casterly Rock are running low on gold deposits.”
“Most” quantifies over the subject set “gold mines that supply unprocessed ore to Casterly Rock.” It pushes “most” members in that set over to the predicate set “are running low on gold deposits.” Gold Mines Supply CR -- m → Low on Gold Deposit “most” are not reversible!
“Many turtles swim across the Pacific to return to their hatching beach.”
“Many” quantifies over the subject set “turtles.” It pushes “many” members in that set over to the predicate set “swim across the Pacific to return to their hatching beach.”
If you want, you could translate “many” to “some.” I just want to make sure that you don’t mistakenly think that “many” turtles swim across…means that “most” turtles swim across because that's not true.
“Prof. Sprout’s Mandrake inspections are usually conducted on Mondays.”
The quantifier here is “usually.” We’re talking instances of Prof. Sprout inspecting her Mandrakes. “Usually” says that “most” of those instances are “Mondays.” Mandrake Inspection - - m → Monday Does this mean that on most Mondays, Prof. Sprout inspects her Mandrakes? No. Absolutely not. For all we know, she only inspects her Mandrakes ten times a year. Eight of those ten inspections are on Mondays. There are more than fifty Mondays in any given year. Be careful not to read ( A - - m → B) as ( B - - m → A)
“Fewer than half of the kittens adopted yesterday went to homes with children”
“Fewer than half” means “most not.” Fewer than half of the apples are rotten means that more than half of the apples are not rotten. The quantification is over the subject set - “kittens adopted yesterday” - and the “not” gets pushed onto the predicate set - “[not] went to home with children.” [ Kitten - - m → /Home -children ]
I know we can infer that when we use the quantifier many, it implies some. But we can not infer the opposite. If some dogs are pets, we can't infer that many dogs are pets can we?
Can we breakdown 5 more in depth? I understand what the video is stating but I took the word "Fewer" and used that as an indicator for my Lawgic, like this:
1/2 adopted kittens <--S--> went to homes with children
I am interpreting this as some of the 1/2 of the kittens went to home with children. While I understand that the contrapositive doesn't correlate with the video, I do need a little more guidence as to why my answer is not accurate.
I feel like the instructions for this exercise weren't clear at all. I understand what I'm reading, but like, what am I supposed to do here?
Yay! I correctly answered all of these! I'm so glad I understood this.
kitten —m→ /home-children
This seems like yet another claim you can take the contrapositive of to infer:
home-childern --s--> /kitten
Much the same for:
PrepTest 141 - Section 2 - Question 21
Why is "fewer than half" not expressed as "some"? Is there a more percise way of expressing it?
Lawgic feels very unnecessary for these. If that works for you, and thats what you need to do, go for it. But if you are understanding all of these quantifiers without them, then I think you can skip them. Most ( ;) )of us probably can.
I absolutely love all the Game of Thrones references!!
whoah whoah whoah. Why are we okay to assume “Usually” = “Most”? Especially after drilling into us that “Many” absolutely does not equal “Most”?
Not that hard. Wasn't sure about usually but other than that, I got it
For number 5, I said kittens adopted ←s→ homes with children. Is that the same as kitten —m→ /home-children? On the module for "Few" it said Few meant "some are" and "most are not". x←s→y. and x—m→ /y
it's entirely possible
"Usually" got me !!
Referencing #5, is it safe to assume if "than half" or a phrase representing half is used, then we'll use most in some way? I know it might not always be this way, but just trying to get this straight in my head.
For #5 couldn't we also say "few" since in the lessons we know "few" translates to "some but not most"?
For question 5, wouldn't
"kittens <-s-> homes with children" also work?
I get now how it's kitten -m-> /home children but I thought that "few" can also mean some because it is less than half.
Is it correct to diagram Q5 as:
/(kittens -m-> homes w child) ?
It is not the case that most kittens adopted yesterday went to homes with children?
Questions regarding #4:
LSAT logic question for you all - if someone 'usually exercises on Monday,' does that definitely mean they exercise on Monday more than 50% of the time?
What if they work out 100 times total: 49 workouts on Monday, and the other 51 workouts split evenly across Tue-Sun (about 8-9 each day). Monday is still their most common workout day, but it's not actually the majority of their workouts.
Would you still say they 'usually exercise on Monday' in this case? Trying to figure out how strict the LSAT is with 'usually' = majority vs. just most frequent.
5/5!!!
for question #4 the quantifier usually, are there other words that could imply other quantifiers? Maybe I missed the lessons discussing how usually means most, but that threw me for a loop. Anyone else?
Can you also kick it up a domain here? E.g. Some cafes in the city serve hand poured single origin coffee.
Domain in the city
Rule: cafe <-s-> HPSOC
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In the explanation video you mention that 0 kittens can go to families with children. Based on the few quantifier video this is incorrect as you mention that few is some but not many meaning at least one kitten must go to a family with children. If I'm incorrect about this can someone please let me know.