CAPM also makes use of what is called a "definitional…
“CAPM also makes use of what is called a "definitional identity." This is something that is automatically true, simply because of the way things have been defined.”
About This Quote
This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.
Definitional identity means a statement is true by definition, not by empirical proof.
In simple terms: Some truths are built into definitions.
Key Takeaway
Recognize logical truths that stem from definitions.
Themes
logic
philosophy
finance
theory
Mood
analytical
neutral
Type
philosophical
educational
When to use this quote
- mathematical proofs
- financial modeling
- educational instruction
Key Concepts
definition
identity
axioms
Questions to Reflect On
- When does a definitional truth become a practical limitation?
- How can we test assumptions beyond definitions?
A Different Perspective
Overreliance on definitions can obscure empirical testing.