I have a quick question about LG 4 on PT 56. I got 3 questions wrong because I misunderstood one of the initial rules -- S cannot take place after any site that includes V.
I wrote it as S --- V even though it was supposed to be S is with ...
Can someone please help me comprehend why "reducing stress can help weakened immune system" is same as "stress can weaken the immune system" ? It seems like invalid negation to me...