James Moore-Stanley added It_should_be_noted_that__.tex  almost 8 years ago

Commit id: 7e8965ebec8f03de95ed3879a98f9552f26cf0a7

deletions | additions      

         

It should be noted that as these are the only categories the population may be divided into, $S+I+R=1$ must be case for any value of $t$.