Let p denote 'price' increases' and q denote 'demand falls'. Express the following in
Channel: Doubtnut
Date: 2020-03-29

Let p denote 'price' increases' and q denote 'demand falls'. Express the following in the symbolic form : (1) Price increases, then demand falls. (2) If price does not increase, then demand does not fall.  (3) Price increases if and only if the demand falls.