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Argument from Precedent

Also Known As: argument by historical analogy stare decisis case-based reasoning
Argumentation Scheme ID: argument_from_precedent

Definition

The argument from precedent (extended form) appeals to how similar situations have been handled in the past to argue for a particular resolution of the current situation. This extended version considers not just whether a precedent exists, but whether it was successful, whether it was widely accepted, and whether the current situation is sufficiently similar. Precedent arguments create expectations of consistency and predictability, which are valued in legal, institutional, and social contexts.

Examples

When the 2008 financial crisis hit, the government bailed out major banks and prevented a complete economic collapse. The current financial instability is comparable in scale, so a similar intervention is warranted to prevent another collapse.

When a major hurricane devastated the Gulf Coast in 2005, the federal government declared an emergency within 48 hours and mobilized FEMA resources immediately. The current flooding disaster is of comparable scale and impact, so the same swift federal emergency declaration is clearly warranted.

In past labor disputes at this company, management has always allowed a two-week cooling-off period before initiating layoffs. The union is now arguing that this precedent must be honored in the current restructuring, and departing from it without explanation would be both unfair and a breach of established practice.

Verification Steps
Verification Steps
Binary yes/no questions that an AI must answer to detect a reasoning pattern in a text.
Each of the 452 aspects has verification steps — simple yes/no questions designed to systematically detect whether a pattern appears in a text. For ad hominem: "Does the argument attack a person rather than their claim?" For false dichotomy: "Are only two options presented when more exist?" This ensures consistent, reproducible analysis.

Binary (yes/no) questions an LLM must answer to identify this aspect:

  1. 1

    Is a prior case or decision being cited as a reason to decide similarly now?

    Type: binary
  2. 2

    Are the cases relevantly similar in their key features?

    Type: binary
  3. 3

    Have circumstances changed enough to distinguish the current case?

    Type: binary
  4. 4

    Is the precedent being applied to a context it was not intended for?

    Type: binary
Deep Dive
The expandable detail section on each aspect page with examples, psychology, and counter-strategies.
The Deep Dive section provides in-depth information about each aspect: a real-world example showing the pattern in action, an explanation of why it works psychologically, practical advice on how to counter it, alternative names, and links to related aspects.