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@Cee馃 Hi, can you please use this in an example? I'm trying to wrap my head around this. Thank you!
What really helped me transform the sentences into Lawgic was to do the if, then statement.
For example, on question 4:
If abundant rain falls in sub-Saharan Africa, then hurricanes would hit the US mainland with particular frequency.
This helps me fully grasp the order of the sufficient and necessary conditions.
@isabellagirjikian
"if" indicates the sufficient condition so "he were over 40" goes first since it directly follows "if"
over 40 -> /want to learn to ski
Then the last step is to do the contrapositive so all you do is flip it and switch the / (not) to the other side.
Want to learn to ski -> /over 40.
Hi! This is what I did for Q1 & Q4.
Q1:
1. during the winter months now vs. during the winter months in the past聽
2. during the winter months,聽more people frequented public places such as libraries and community centers and, on the average, spent considerably longer periods in them....
3. people spend longer periods in "them" now聽
I thought it was referring to the winter months now, and the winter months in the past.
Q4:
1.聽sophisticated instruments vs.聽currently available instruments聽
2.聽Detecting planets outside our solar system requires聽(which is higher)
3.聽sophisticated instruments聽
This comparison makes the most sense to me. Would this work?
In Q3 I had:
"has decreased" & "this decrease" refers to "population of songbirds"
"has decreased" is not in the answer. Is it because has decreased is a modifier and not a referent?
"which" refers to "magpies"
I didn't include, "the same period" refers to "recent years" but I noticed it after reading it again.
@Dexterity Hey! Do you think you can give me an example of this?
Thank you.