#help

can necessity indicators be thought of as only, always, and must? the only if, only when, only where, seem included under "only". Because only those, only these...etc exist.. it seems like it could be a big group. Or is that too big an assumption to make? I guess "the only" is a sufficiency indicator, but if the claim lacks the "the" in front of "only" is it safe to assume it's a necessary indicator?

some of the correct answers given vary in phrasing than what I put but the sentences are logically equivalent -- see example 3.3 where I gave the first answer for the contrapositive but the given contrapositive answer had translated from an "any" statement into an "if...then" statement. Some other places this is done but sometimes the sentences retain the same phrasing in the answer portion. Does it matter? I know there are many ways to say the same thing so maybe it is fine? Any insight appreciated. Thank you.

ex) 3.3

Any person who knows what is truly right will automatically do it.

knows- do

/do - /know

any person who does not automatically do what is right does not know what is truly right.

if a person doesn't automatically do what is right, then they don't know what is truly right.