2 Determine if each of the following is a group a monoid

Last updated: 12/4/2023

2 Determine if each of the following is a group a monoid that is not a group a semigroup that is not a monoid or not a semigroup Explain your answer for each one i Z addition on the set of positive integers ii Q subtraction on the set of rational numbers iii C32 addition on a 32 hour clock C 0 multiplication on a 15 hour clock with 0 removed