I. Lesson preparation
Chapter 5: What Are the Value and Descriptive Assumptions?
General guide for identifying assumptions
Look for both value and descriptive assumptions in the movement from reasons to the conclusion.
An assumption is a belief, usually unstated, that is taken for granted and supports the explicit reasoning.
Value conflicts and assumptions
By value assumption, a taken-for-granted belief about the relative desirability of certain competinf values.
From values to value assumptions
A value assumption is an implicit preference for one value over another in a particular context. We use value preferences and value priorities as synonyms.
Typical value conflicts
5. Illustrating descriptive assumptions
A descriptive assumption is an unstated belief about how the world was, is or will become.
6. Clues for discovering descriptive assumptions
Keep thinking about the gap between the conclusion and reasons
Look for ideas that support reasons
Identify with the oppositions
Learn more about the issues
II. Post-class reflection
An assumption is not a fact. It is a belief that is accepted as true or as certain to happen without evidence.
An assumption could be true or not.
III. Application
Give at least one specific example of an aspect or experience in your personal life that is related to the chapter(s).