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SarahSmile
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- 5 days ago
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SarahSmile
2 days ago
Ok, so this is how I've been viewing it but idk if this helps or hurts me. 
SarahSmile
2 days ago
Another way to think of it: sufficiency guarantees necessity not the other the way around. Being a cat guarantees being a mammal but being a mammal doesn't guarantee being a cat.
Hi I would like to join! I am very new to the process. I haven’t yet taken a practice test but plan to in the coming weeks