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Mathematical Reasoning
easy
Negation of “Paris in France and London is in England” is
A
Paris is in England and London is in France
B
Paris is not in France or London is not in England
C
Paris is in England or London is in France
D
None of these
Solution
(b) Let $p$ : Paris is in France,
$q$ : London is in England
we have $p \wedge q$
Its negation is $\sim (p \wedge q) = \;\sim p\, \vee \sim q$
$i.e.$ Paris is not in France or London is not in England.
Standard 11
Mathematics
