1. Identify the minimal and maximal elements of S with respect to
the given partial order R.
S = the nonempty subsets of { 1, 2, 3 } and A R B if B _c_ A
2. In the following exercise Z denotes the set of integers.
Determine if each function g is one-to-one, onto or both.
a) g.Z -> Z, g(x) = x - 2
b) g.Z -> Z, g(x) = x -1, if x > 0 and x, if x _<_ 0
## Deliverables
Text file solution to the listed problems.
## Platform
N/A