Conversation so far:
What was Stephen Toulmin's objection to absolutism?
Stephen Toulmin said that absolutism has limited practical value.
Why did Stephen Toulmin believe absolutism had limited practical value?
Stephen Toulmin said that absolutism has limited practical value because it is irrelevant to real situations encountered by human beings in daily life.
Does Stephen Toulmin have any other beliefs regarding absolutism besides saying that absolutism has limited practical value because it is irrelevant to real situations encountered by human beings in daily life?
The flaw of absolutism, Stephen Toulmin believes, lies in its unawareness of the field-dependent aspect of argument; absolutism assumes that all aspects of argument are field invariant.
What is the concept of argument fields?
According to Stephen Toulmin, the term field designates discourses within which arguments and factual claims are grounded.
Do others share or oppose the beliefs of Stephen Toulmin?
What was Stephen Toulmin's objection to relativism?
Stephen Toulmin's argument against relativism is that the relativist overemphasizes the importance of the field-dependent aspect of arguments, and neglects or is unaware of the field-invariant elements.

Question: What are the field-invariant elements?
Self-contained rewrite: What are the field-invariant elements?