The document discusses class hierarchies and subclass relationships between different types of employees and roles. It shows that a software engineer is both an engineer and an employee, and that an engineering manager is both a manager and an engineer. Additionally, it represents that an owner can be a person, bank, or company, as the owner class is a subclass of the union of those three classes.

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Wednesday, March 8, 2017

2. Wednesday, March 8, 2017
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Wednesday, March 8, 2017

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EMPLOYEE
ENGINEERSECRETARY
SOFTWARE ENGINEER
SOFTWARE
ENGINEER has all
the attributes of an
ENGINEER and
EMPLOYEE

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EMPLOYEE
SECRETARY MANAGER
ENGINEER
ENGINERING MANAER
ENGINEERING
MANAGER (shared
subclass) is a
MANGER and an
ENGINEER

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PERSON BANK COMPANY
OWNER
The category, OWNER,
is a subclass of the
union of PERSON,
BANK, and COMPANY.
OWNER is either a
PERSON or a BANK or
a COMPANY

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