Difference between revisions of "1951 AHSME Problems/Problem 14"

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== Problem ==
 
== Problem ==
In connection with proof in geometry, indicate which one of the following statements is [i]incorrect[/i]:
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In connection with proof in geometry, indicate which one of the following statements is ''incorrect'':
  
 
<math> \textbf{(A)}\ \text{Some statements are accepted without being proved.}</math>
 
<math> \textbf{(A)}\ \text{Some statements are accepted without being proved.}</math>

Revision as of 08:29, 18 September 2012

Problem

In connection with proof in geometry, indicate which one of the following statements is incorrect:

$\textbf{(A)}\ \text{Some statements are accepted without being proved.}$ $\textbf{(B)}\ \text{In some instances there is more than one correct order in proving certain propositions.}$ $\textbf{(C)}\ \text{Every term used in a proof must have been defined previously.}$ $\textbf{(D)}\ \text{It is not possible to arrive by correct reasoning at a true conclusion if, in the given, there is an untrue proposition.}$ $\textbf{(E)}\ \text{Indirect proof can be used whenever there are two or more contrary propositions.}$

Solution

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See Also

1951 AHSC (ProblemsAnswer KeyResources)
Preceded by
Problem 13
Followed by
Problem 15
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All AHSME Problems and Solutions