StackOverflow2013

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plurals

PO
primarykey
Id
6266991
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
1
CommunityOwnedDate
CreationDate
2011-06-07T14:42:50.620
FavoriteCount
0
LastActivityDate
2011-06-07T17:43:47.130
LastEditDate
2011-06-07T17:43:47.130
LastEditorUserId
10174
OwnerUserId
10174
ParentId
6266905
PostTypeId
2
Score
7
ViewCount
0
LastEditorDisplayName
text
Body
Something like this maybe? <pre><code>string previous = string.Empty; while (b != previous) { previous = b; b = b.Replace("true and false", "false"); b = b.Replace("true and true", "true"); b = b.Replace("false and true", "false"); b = b.Replace("false and false", "false"); b = b.Replace("false or false", "false"); b = b.Replace("true or false", "true"); b = b.Replace("true or true", "true"); b = b.Replace("false or true", "true"); b = b.Replace("(false)", "false"); b = b.Replace("(true)", "true"); b = b.Replace("not false", "true"); b = b.Replace("not true", "false"); } </code></pre> Note that the specification allows ambigious formulations, such as these: <pre><code>"false and false or true" "false and true or true" </code></pre> Both of these expressions are "true" if the and is evaluted first, and "false" if the or is evaluated first. Therefore, requireing parenthesis at every level would be better. Requiring left-to-right evaluation is another option, but that makes the code a bit more complex. For those of you who may object to this style of solution for this style of problem, remember that some mathematicians believe that all of mathematics may be reduced to this sort of symbol manipulation. It is <a href="http://en.wikipedia.org/wiki/Principia_Mathematica#The_logicistic_construction_of_the_theory_of_PM" rel="nofollow">said</a> that one of the main criticisms of Russell and Whitehead’s Principia Mathematica is that it embues the formulas with too much meaning.
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POC# resolve "(true and true) or (true or false)"
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USJeffrey L Whitledge
UserOwnerUserId
1. USJeffrey L Whitledge
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. POC# resolve "(true and true) or (true or false)"
 singulars
 PostTypePostTypeId
 PTQuestion
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
3. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. COI took the liberty of modifying it slightly to make it work with the given examples.
 singulars
 PostPostId
 PO
 UserUserId
 USStriplingWarrior

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