SOLUTION: how do I know if I missed a step in my proof ?

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Question 918960: how do I know if I missed a step in my proof ?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Broken logic when reviewing the proof; or reader does not find a reason between two neighboring steps, and the reason for this pair of steps cannot be found in other statements of the proof. A missing step might more likely happen in a student's proof than in any proof published in textbooks.