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Improve Explanations and Justifications
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Praxis Core
5165.274 Improve Explanations and Justifications
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A student says, 'This proof is rigorous because it uses advanced vocabulary.' Which revision most improves the explanation of rigor?
A
Remove definitions because rigorous readers already know what terms mean.
B
Replace simple reasoning with longer sentences to make the proof sound mathematical.
C
Use more formal symbols even if the connections between steps are not stated.
D
Explain that rigor comes from clear assumptions, valid logical steps, precise definitions, and a conclusion that follows from them.
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