Joyce on January 17, 2020
When I diagrammed the question I got IPC => GS => SL => UMR.
For B I have not UMR => not GS
Even with the contrapositive of it being not UMR => not SL => not GS => not IPC
it has the possibility to be B as well. Why was the answer A and not B?
Victoria on January 18, 2020
on March 15 at 04:59AM
Ben on March 20 at 04:52PM