Notes on Structuring Toulmin Arguments

Introduction to Toulmin Argument

  • Toulmin argument is a practical method for constructing persuasive arguments, developed by British philosopher Stephen Toulmin.
  • It helps to clarify the writing process and the essential elements of argumentation.
  • Recognizes that arguments are not rigid; they are developed through discovery and refinement.

Claims in Toulmin Argument

  • Definition: Claims are statements of belief or truth that can provoke debate.
  • Characteristics of a Strong Claim:
    • Must be controversial and debatable (e.g., "Grades in college should be abolished").
    • Should invite exploration and inquiry rather than be an accepted fact.
  • Examples of Questions vs. Claims:
    • Question: "What should NASA's next goal be?"
    • Claim: "NASA should launch a human expedition to Mars."

Reasons Supporting Claims

  • Definition: Reasons provide evidence to support claims and help frame the argument.
  • Importance: Attaching reasons to claims early can create enthymemes—brief arguments that succinctly express claims and their supports.
  • Example:
    • Claim: "NASA should launch a human expedition to Mars."
    • Reason: "Because Americans need a unifying national goal."

Understanding Warrants

  • Definition: Warrants connect claims and reasons; they are often unstated assumptions.
  • Function of Warrants: Provide authority to proceed with a claim. If the audience rejects the warrant, the argument falters.
  • Example:
    • Enthymeme: "Don't eat that mushroom; it's poisonous."
    • Warrant: "If something is poisonous, it should not be eaten."

Offering Evidence

  • Backing and Grounds:
    • Backing: Evidence supporting warrants (e.g., emotional, ethical, logical claims).
    • Grounds: Evidence supporting the claim itself.
  • Example:
    • Claim: "NASA should launch a human expedition to Mars."
    • Grounds: "A human expedition would unify the nation and require teamwork."
    • Backing: Historical examples of national goals (e.g., Apollo mission).

Using Qualifiers

  • Definition: Qualifiers are terms that limit claims and make arguments more precise and honest.
  • Examples of Qualifiers:
    • Some, often, rarely, most, possibly, etc.
  • Importance of Qualifiers: They clarify the extent of the claim, making it easier to argue.

Conditions of Rebuttal

  • Definition: These are potential objections to an argument that must be anticipated by the writer.
  • Importance: Anticipating rebuttals enhances the strength and credibility of an argument.
  • Example: If arguing that the government should fund the arts because it funds the military, one might anticipate that critics will argue against the necessity of arts funding.

Beyond Toulmin

  • While not all arguments can be neatly structured using Toulmin principles, the framework provides a solid structure for crafting effective arguments.
  • Key Points:
    • Claims should be clear, reasons should be well-supported, and the audience’s assumptions need to be considered.
    • Arguments should always anticipate objections, engaging with opposing views enhances the argument's authority.
  • Understanding Toulmin's structure helps develop better argumentative writing habits.