hi!

I have this same struggle too, but I think it helps to take it one step at a time. Lets start with IF on the left

IF

which has a "no" so we will negate it

/IF

then we have "without" RL so first lets add the RL to the chain

/IF -> RL

and then work with the "without", which means we negate suff so the statement now reads, but because the suff is already negated the negation cancels out and we have

IF -> RL

Hi! I thought they removed the limit of no more than 3 tests per testing period.