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Life · Guided lesson

Build and audit an argument map

About 28 minutes · 6 reading + 22 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
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An argument-audit packet with a premise map, conditional tests, counterexamples, repaired reasoning, certainty labels, and a final evidence-based room recommendation.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Identify premises, conclusion, and assumptions.
  • Test conditional direction and create valid counterexamples.
  • Explain and repair irrelevant or incomplete reasons.
  • Distinguish rule-based conclusions from uncertain predictions.
  • Produce the final map with a clear change trigger.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Argument roles are correctly identified.
  • Counterexamples have the required true-condition/false-result structure.
  • Revisions address the actual evidence gap.
  • Final conclusions follow the supplied facts without hidden assumptions.
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Before you begin

The idea in everyday life

Final fictional club facts: 20 attendees; projector required; Room A 16 seats/projector/available; B 24 seats/no projector/available; C 24 seats/projector/available/access confirmed. Policy: all listed needs must be satisfied. A popular social post promotes A. No cost difference is given.

The idea

A clear map separates what you know from what must still be checked.

Follow along

Build and audit an argument map: guided practice

A clear map separates what you know from what must still be checked.

Use paper or a free local text editor. This is an original fictional practice case; do not submit its records to a real service. Start this lesson with these facts, even if an earlier variation changed them. Final fictional club facts: 20 attendees; projector required; Room A 16 seats/projector/available; B 24 seats/no projector/available; C 24 seats/projector/available/access confirmed. Policy: all listed needs must be satisfied. A popular social post promotes A. No cost difference is given.

  1. 1. Apply required criteria

    Mark each room against seats, projector, availability, and access.

    You should see: A fails seats; B fails projector; C meets every stated need.

    Required conditions should be checked before popularity.

  2. 2. Map support

    Write premises and a rule leading to a conclusion.

    You should see: C meets all listed needs; suitable choice requires those needs; therefore choose C under this rule.

    An explicit bridge makes the argument inspectable.

  3. 3. Test objections

    Evaluate the popularity of A and identify one fact that would change C’s choice.

    You should see: A’s popularity does not repair capacity; loss of C’s availability would require reconsideration.

    A good argument can state its own revision conditions.

  4. 4. Assemble the audit

    Combine the role map, conditional test, counterexamples, repaired reasons, certainty labels, and final map.

    You should see: A six-part reasoning packet supporting C with assumptions and a change trigger.

    Reasoning quality includes both a defensible conclusion and a way to revise it.

Now change one thing

Changed case: C becomes unavailable and A/B retain their failures. Enter CHOOSE or REVISE.

Your work

What to finish

Build and audit an argument map record with the worked decisions and changed-case check.

Common mistake

Watch for this

Hiding a critical assumption or treating a logical structure as proof that all premises are true.

How can I tell I understand it?

Assemble a recommendation with explicit premises, assumptions, and rebuttal tests. Explain the evidence behind the result and correct any mismatch.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1A choice meets all required criteria except one. The rule requires all. What follows?
2A key supporting fact changes after a decision. What should an argument audit do?
3A final argument lists a condition as an assumption. What should a reader understand?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
6
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

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Optional course overview video · same video as Lesson 1
CrashCourseHow to Argue - Philosophical Reasoning: Crash Course Philosophy #2YouTube
Optional course overview

How to Argue - Philosophical Reasoning: Crash Course Philosophy #2

From CrashCourse. Watch here or open it on YouTube .

Optional course overview. Follow the written steps below at your own pace.
Tools, templates, and lesson sources

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Sources and further reading

Explore the references behind this lesson.

OpenStax: Arguments
Source & access notes · checked 2026-09-12

Inspected premises, conclusions, and the distinction between truth and logical support.

Access: Public page or PDF inspected without payment or institutional sign-in on September 12, 2026. Optional external accounts are unnecessary for this course.

Reuse: Link and original paraphrase only. Public access does not grant blanket reuse; no provider text, figures, or exercises are reproduced.

OpenStax: Types of Inferences
Source & access notes · checked 2026-09-12

Inspected conditional forms, counterexamples, and deductive versus inductive inference.

Access: Public page or PDF inspected without payment or institutional sign-in on September 12, 2026. Optional external accounts are unnecessary for this course.

Reuse: Link and original paraphrase only. Public access does not grant blanket reuse; no provider text, figures, or exercises are reproduced.

OpenStax: Informal Fallacies
Source & access notes · checked 2026-09-12

Inspected relevance, false dilemmas, weak evidence, and unwarranted assumptions.

Access: Public page or PDF inspected without payment or institutional sign-in on September 12, 2026. Optional external accounts are unnecessary for this course.

Reuse: Link and original paraphrase only. Public access does not grant blanket reuse; no provider text, figures, or exercises are reproduced.

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