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Decision Support Make a decision 5 min Comfortable Skill 329 of 494

Separate facts from assumptions in a choice

Works with ChatGPT · Claude

What you’ll be able to do

See which parts of your decision are known and which are guesses.

The problem

We mix facts and assumptions, then trust shaky guesses like certainties.

What this skill does

AI splits your reasoning into verified facts versus assumptions to test.

When to use it

  • Use when a decision feels confident but you're unsure why.
Juni, the One AI Skill guide

Juni’s tip

Juni says: most bad decisions are a confident guess wearing a fact's clothes.

The prompt

Main prompt
Split my reasoning about this decision into facts and assumptions: [my thinking]. Mark what's verified versus what I'm assuming.
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Try it live

Fill in the blanks — your ready-to-use prompt builds as you type.

Your prompt
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Weak vs. better

✗ Weak prompt

is my logic sound

✓ Better prompt

From my reasoning — [my thinking] — separate verified facts from assumptions. For each assumption, rate how risky it is if wrong and suggest a quick way to test it before deciding.

Why this works

Spotting the risky assumptions tells you exactly what to verify before committing.

Practice task

Try it now

Take a pending decision and separate its facts from its assumptions.

Self-check

  • Facts and assumptions are clearly separated
  • Each assumption is rated for risk if wrong
  • There's a cheap way to test the risky ones

Common mistakes to avoid

  • Labeling assumptions as facts
  • Not testing the assumptions that matter most
  • Treating all assumptions as equally safe

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