... taken after Jun-2017 as valid for this cycle.
This ... June-2016 or after as "valid" for current cycle. (The rule ... anything after June-2016 as valid).
I'm at the ...
have you ever heard an lsat prepbook describe a negative sufficient condition as a "denial of the antecedent" or an illegal negation described as "affirmation of the consequent"? Ever heard a book mention the latin modus tollens? ponens?