A freelance computer consultant keeps a database of her clients, which contains the names
S = {Aces, Brothers, Crafts, Dual, Energy, Floyd, Globe, Hide}.
The following clients owe her money:
A = {Aces, Crafts, Energy, Globe}.
The following clients have done at least $10,000 worth of business with her:
B = {Aces, Brothers, Crafts, Dual}.
The following clients have employed her in the last year:
C= {Aces, Crafts, Dual, Energy, Globe, Hide}.
A subset of clients is described that the consultant could find using her database. HINT [See Example 4.]
The clients who owe her money, have not done at least $10,000 worth of business with her, and have not employed her in the last year.
Write the subset in terms of A, B, and C.
OAUBUC
AnBnC
AUB'UC'
A'n Bn C
A'UBUC
An B'n C'
List the clients in that subset.
{Aces, Brothers, Crafts, Dual}
{Aces, Brothers, Crafts, Dual, Energy, Floyd, Globe, Hide}
{Aces, Brothers, Crafts, Dual, Energy, Globe, Hide}
{Aces, Crafts}
