Chapter 5: Postulates, Principles, and Concepts Instructor Manual
Accounting Theory (9
th
edition) Page 8 of 12
(a) Proprietary Orthodox Unorthodox Residual
Entity Entity Equity
Revenues $1,000,000 $1,000,000 $1,000,000 $1,000,000
Operating Expense 700,000 700,000 700,000 700,000
Operating Income 300,000 300,000 300,000 300,000
Other Revenues and
2. Critique A Statement of Basic Accounting Postulates and Principles by a study group at
the University of Illinois (it should be on reserve or otherwise made available to you).
Your critique should cover, but not be restricted to, the following points:
How do the definitions of postulates, concepts, and principles differ?
Are the examples of postulates, principles, and concepts consistent with their definitions?
Does this set of postulates, principles, and concepts provide a legislative body with a
useful framework for deriving operating rules?
The Illinois Study Group did a study entitled A Statement of Basic Accounting Postulates and
Principles, which appeared in 1964, shortly after ARS 1 and ARS 3. Postulates were defined in
the Statement in much the same way they were defined in ARS 1—as “underlying assumptions”
that are viewed as being valid. Further discussion appears to make it clear that postulates are
intended to be descriptive in nature. However, it also is made clear that other propositions will
be deduced from them. Concepts, according to the Illinois Study Group, “are formed primarily