GATE2009 q24 - Revision history

Arjun Suresh at 20:50, 15 September 2014

2014-09-15T20:50:46Z

2014-07-15T11:38:19Z

2014-07-14T19:53:19Z

2014-07-14T19:52:12Z

2014-07-14T19:50:27Z

2014-07-14T19:49:53Z

2014-07-14T19:48:09Z

2014-07-14T19:47:35Z

2014-07-14T19:47:04Z

2014-07-14T19:45:16Z

@@ Line 21: / Line 21: @@
 | T
 |}
-Which one of the following is equivalent to $P &or; Q$?
+Which one of the following is equivalent to $P \vee Q$?
-(A) $\neg Q □ &not;P$
+(A) $\neg Q □ &neg P$
 (B) '''$P□\neg Q$'''

← Older revision		Revision as of 11:38, 15 July 2014
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	[[Category: GATE2009]]		[[Category: GATE2009]]
−	[[Category: Graph Theory questions]]	+	[[Category: Graph Theory questions from GATE]]

@@ Line 33: / Line 33: @@
 If we compare column of $P□ Q$ in table with $P &or; Q$, we need T in $3^{rd}$ row of table and F in the fourth row, and for that we need
-		$\neg Q$ instead of $Q$. So $P &or; Q$ is equivalent to $P□\neg Q$, and therefore, option <b>(B)</b> is correct.
+		$\neg Q$ instead of $Q$. So $P &or; Q$ is equivalent to $P□\neg Q$.
 {{Template:FBD}}

@@ Line 32: / Line 32: @@
 ==={{Template:Author|Happy Mittal|{{mittalweb}} }}===
-If we compare column of $P□ Q$ in table with $P &or; Q$, we need both F in $3^{rd}$ row of table, and for that we need
+If we compare column of $P□ Q$ in table with $P &or; Q$, we need T in $3^{rd}$ row of table and F in the fourth row, and for that we need
 		$\neg Q$ instead of $Q$. So $P &or; Q$ is equivalent to $P□\neg Q$, and therefore, option <b>(B)</b> is correct.

@@ Line 22: / Line 22: @@
 |}
 Which one of the following is equivalent to $P &or; Q$?
 (A) $\neg Q □ &not;P$
@@ Line 32: / Line 33: @@
 If we compare column of $P□ Q$ in table with $P &or; Q$, we need both F in $3^{rd}$ row of table, and for that we need
-		$\negQ$ instead of $Q$. So $P &or; Q$ is equivalent to $P□\negQ$, and therefore, option <b>(B)</b> is correct.
+		$\neg Q$ instead of $Q$. So $P &or; Q$ is equivalent to $P□\neg Q$, and therefore, option <b>(B)</b> is correct.
 {{Template:FBD}}

@@ Line 1: / Line 1: @@
 The binary operation □ is defined as follows
 {| class="wikitable"
-! P
+! $P$
-! Q
+! $Q$
-! P□Q
+! $P□Q$
 |-
 | T
@@ Line 28: / Line 28: @@
 (C) $\neg P□Q$
-(D) $\neg P□ \negQ$
+(D) $\neg P□ \neg Q$
 ==={{Template:Author|Happy Mittal|{{mittalweb}} }}===

@@ Line 22: / Line 22: @@
 |}
-(A) $\neg Q&#9633&not;P$
+(A) $\neg Q$$&#9633&not;P$
 (B) '''$P&#9633&not;Q$'''