Rhetorical Appeals
Logos: Precedent and Case Studies

Support arguments with relevant examples of similar situations and their outcomes.

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What it is

A logical reasoning approach that supports arguments by citing relevant past examples, case studies, or established patterns. This technique builds credibility by demonstrating that similar situations have been successfully handled in specific ways, providing evidence for recommended actions.

Before & after

Before

“Other companies have done similar things successfully.”

After

“When Zoom adopted this security framework after their 2020 issues, they reduced incidents by 90% and rebuilt user trust within 6 months.”

When you’ll use it

Designing investor pitches that build credibility fast

Preparing leadership remarks that align with company values

Evaluating competitor messaging to spot persuasive gaps

Pro tip

Use specific, relevant precedents with measurable outcomes and clear parallels.

Questions & answers

3 questions

What are precedent and case studies in logical appeals?

Precedent and case studies use examples of similar situations, successful implementations, or pre...

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How do I choose effective precedents for business presentations?

Select relevant and comparable situations, use recent examples when possible, choose credible sou...

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What makes precedents and case studies credible?

Credible precedents come from reputable sources, involve similar circumstances, include verifiabl...

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Learn more

Wikipedia - Precedent
Fiveable - Precedent (Intro to Law)

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