document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=415694>Question 415694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Create a Euler diagram to determine whether the syllogism is valid or invalid.\r<BR>\n" );
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document.write( "All grocery stores are open until 10 p.m.<BR>\n" );
document.write( "The store on the corner is open until 10 p.m.<BR>\n" );
document.write( "The store on the corner is a grocery store.<BR>\n" );
document.write( "can some one please walk me through this i am not getting this i keep getting them wrong please help me with this </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #291356 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=291356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you are given 2 statements:\r<BR>\n" );
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document.write( "all grocery stores are open until 10 pm.<BR>\n" );
document.write( "the store on the corner is open until 10 pm.\r<BR>\n" );
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document.write( "based on this premise, the conslusion states that:\r<BR>\n" );
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document.write( "the store on the corner is a grocery store.\r<BR>\n" );
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document.write( "i believe this is not true.\r<BR>\n" );
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document.write( "to prove that it is not true, you have to show that there is at least one instance where the statement is not valid.\r<BR>\n" );
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document.write( "consider the first statement.\r<BR>\n" );
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document.write( "all grocery stores are open until 10 pm.\r<BR>\n" );
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document.write( "this does not tell you anything about any other type of store.<BR>\n" );
document.write( "it only talks about grocery stores.\r<BR>\n" );
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document.write( "consider the second statement.\r<BR>\n" );
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document.write( "the store on the corner is open until 10 pm.\r<BR>\n" );
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document.write( "you have no way of knowing whether this store is a grocery store or some other type of store.\r<BR>\n" );
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document.write( "it could be a grocery store, but it could also not be a grocery store.\r<BR>\n" );
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document.write( "the conclusion that this store must be a grocery store because it is open until 10 pm is not true.\r<BR>\n" );
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document.write( "what if it was a department store, or a hardware store or any other kind of store.\r<BR>\n" );
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document.write( "there is nothing in the first 2 statements that indicate if a store is not a grocery store that it can't be open until 10 pm.\r<BR>\n" );
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document.write( "i would say the logic is invalid.\r<BR>\n" );
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document.write( "if you were to draw a sset of all stores, then grocery stores would be a subset of all stores.\r<BR>\n" );
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document.write( "you could then draw a subset of all stores that are open until 10 pm.\r<BR>\n" );
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document.write( "grocery stores would be a subset of that set.\r<BR>\n" );
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document.write( "this implies that there are other type stores that can also be open until 10 pm.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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