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Focused study · 1 lesson

A counterexample workshop

Test how far a claim reaches by finding a case in which it fails, and practice on general statements, inferences and fair repairs to an argument.

Testing and repairing a claim

Useful preparation

Lesson 2 introduces premises, conclusions and validity; if those terms are new to you, begin there. Otherwise, go straight to the workshop and work at your own pace.

A lesson you complete stays complete wherever you find it. Progress is shown for each route. Your saved place takes you back to the reading itself, while this overview always shows the study’s full sequence.

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