document.write( "Question 1199145: Use one of the 3 methods of syllogistic logic to determine whether the following syllogism is
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document.write( "valid:
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document.write( "No carrots are red fruits.
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document.write( "Some fruits are carrots.
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document.write( "Therefore, some fruits are not red fruits. \n" );
document.write( "
Algebra.Com's Answer #837767 by ikleyn(52780)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Use one of the 3 methods of syllogistic logic to determine whether the following syllogism is \n" ); document.write( "valid: \n" ); document.write( "(1) No carrots are red fruits. \n" ); document.write( "(2) Some fruits are carrots. \n" ); document.write( "(3) Therefore, some fruits are not red fruits. \n" ); document.write( "~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Instead of using methods of syllogistic logic, I will try to solve the problem \r \n" ); document.write( "\n" ); document.write( " using my common sense, by the \" step by step method \".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " For the convenience of references, I numbered the sentences (statements) in the \" given \" part.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Step 1. Statement (1) is true, because no carrots are fruits, at all (by the definition).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " Step 2. Statement (2) means that the mentioned set of \"some fruits\" is EMPTY set, \r\n" ); document.write( " because no fruits are carrots (by the definition).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " Step 3. Since the set \"some fruits\" defined in (2), is empty, it satisfies to any condition.\r\n" ); document.write( " In particular, we can conclude that this set \"some fruits\" are not red fruits, as stated in (3).\r\n" ); document.write( " So, the property (3) is proven.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The most important part of this \" common sense \" solution is to \n" ); document.write( "identify that the set \"some fruits\" in part (2) and in part (3) is the same set \n" ); document.write( "and to get understanding that this set, the problem is talking about, is empty.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For empty set, each statement about properties of its elements is correct, \n" ); document.write( "independently, whether it looks to be sensical or non-sensical.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " +--------------------------------------------+\r\n" ); document.write( " | As an example, consider THIS statement: |\r\n" ); document.write( " | \"As far as it is known for now, |\r\n" ); document.write( " | each horse with 99 legs is blue\". |\r\n" ); document.write( " +--------------------------------------------+\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "For empty set, each statement about properties of its elements is correct, \n" ); document.write( "but empty, at the same time.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "By the way, since the set \" some fruits \" in this problem is empty set, \r \n" ); document.write( "\n" ); document.write( "it possesses not only the property \" 3 \", but the opposite property, too.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "What I want to say, regarding the meaning of this problem, is that \n" ); document.write( "its meaning is emptiness : it is like dust carried by wind.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |