GATE2010 q30 - Revision history

Arjun Suresh at 22:32, 16 April 2015

2015-04-16T22:32:21Z

2014-07-15T11:46:48Z

2014-06-29T14:41:59Z

2014-06-29T14:30:13Z

2014-06-29T12:22:35Z

2014-06-29T12:22:07Z

2014-06-29T12:21:50Z

2014-06-29T12:20:40Z

2014-06-29T12:19:23Z

2014-04-15T17:47:24Z

← Older revision		Revision as of 22:32, 16 April 2015
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	[[Category: GATE2010]]		[[Category: GATE2010]]
−	[[Category: ~~Logical Inference~~ questions from GATE]]	+	[[Category: Mathematical Logic questions from GATE]]

← Older revision		Revision as of 11:46, 15 July 2014
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	[[Category: GATE2010]]		[[Category: GATE2010]]
−	[[Category: Logical Inference questions]]	+	[[Category: Logical Inference questions from GATE]]

← Older revision		Revision as of 14:41, 29 June 2014
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	[[Category: GATE2010]]		[[Category: GATE2010]]
	[[Category: Logical Inference questions]]		[[Category: Logical Inference questions]]
−	~~[[Category:Mathematics questions]]~~

@@ Line 21: / Line 21: @@
 [[Category: GATE2010]]
 [[Category: Logical Inference questions]]
-[[Category:Mathematics Questions from GATE]]
+[[Category:Mathematics questions]]

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 The formula  $\forall x \exists y \exists (\neg F(x,y,t))$ says that for every person $x$, there exists a person $y$, and there
-		 exists a time $t$, such that $x$ cannot fool $y$ at time t i.e. No person can fool everyone all the time. So option <b>(B)</b> is correct.
+		 exists a time $t$, such that $x$ cannot fool $y$ at time $t$ i.e., No person can fool everyone all the time. So option <b>(B)</b> is correct.
 {{Template:FBD}}
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 [[Category: GATE2010]]
 [[Category: Logical Inference questions]]

@@ Line 1: / Line 1: @@
 Suppose the predicate $F(x, y, t)$ is used to represent the statement that person $x$
 		can fool person $y$ at time $t$. which one of the statements below expresses best
-		the meaning of the formula $\forall x \exists y  \exists(\neg;F(x,y,t))$?
+		the meaning of the formula $\forall x \exists y  \exists(\neg F(x,y,t))$?

@@ Line 1: / Line 1: @@
-Suppose the predicate F(x, y, t) is used to represent the statement that person x
+Suppose the predicate $F(x, y, t)$ is used to represent the statement that person $x$
-		can fool person y at time t. which one of the statements below expresses best
+		can fool person $y$ at time $t$. which one of the statements below expresses best
-		the meaning of the formula &forall;x&exist;y&exist;(&not;F(x,y,t))?
+		the meaning of the formula $\forall x \exists y  \exists(\not;F(x,y,t))$?
@@ Line 14: / Line 14: @@
 ==={{Template:Author|Happy Mittal|{{mittalweb}} }}===
-The formula  $\forall x \exist y \exist (\not F(x,y,t))$ says that for every person $x$, there exists a person $y$, and there
+The formula  $\forall x \exists y \exists (\not F(x,y,t))$ says that for every person $x$, there exists a person $y$, and there
 		 exists a time $t$, such that $x$ cannot fool $y$ at time t i.e. No person can fool everyone all the time. So option <b>(B)</b> is correct.

@@ Line 2: / Line 2: @@
 		can fool person y at time t. which one of the statements below expresses best
 		the meaning of the formula &forall;x&exist;y&exist;(&not;F(x,y,t))?
-		<br>
-		<b>(A) </b>Everyone can fool some person at some time
-		<br>
+		(A) Everyone can fool some person at some time
-		<b>(B) </b>No one can fool everyone all the time
-		<br>
+	'''	(B) No one can fool everyone all the time'''
-		<b>(C) </b>Everyone cannot fool some person all the time
-		<br>
+		(C) Everyone cannot fool some person all the time
-		<b>(D) </b>No one can fool some person at some time
-	</p>
+		(D) No one can fool some person at some time
-	<p>
-		<b>Sol : </b>The formula  &forall;x&exist;y&exist;(&not;F(x,y,t)) says that for every person x, there exists a person y, and there
+==={{Template:Author|Happy Mittal|{{mittalweb}} }}===
 		 exists a time t, such that x cannot fool y at time t i.e. No person can fool everyone all the time. So option <b>(B)</b> is correct.