Dene a set of at most four atomic propositions. Then, use those atomic propositions to turn each of these sentences about installation requirements...

Define a set of at most four atomic propositions. Then, use those atomic propositions to turn each of these sentences about installation requirements into logic.

i) Packet A is not installed only if both B and D are installed.

ii) Packet B is installed unless D is installed or C is not.

iii) Packet B requires A and C.