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Which of the following is a statement in logic?

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Important Questions on Mathematical Reasoning

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The connective in the statement "Earth revolves around the Sun and Moon is a satellite of earth", is
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Consider the statement p : "New Delhi is a city". Which of the following is not negation of p?
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A compound statement p or q is false only when
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For the statements p and q'pq'  is read as 'if p then q'. Here, the statement q is called
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If a: Vijay becomes a doctor,
   b: Ajay is an engineer. Then the statement ' Vijay becomes a doctor if and only if Ajay is an engineer' can be written in symbolic form as
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Assuming the first part of each statement as p, second as q and the third as r, the statement 'If A,B,C are three distinct points, then either they are collinear or they form a triangle' in symbolic form is
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If p: Ram is lazy, q: Ram fails in the examination, then the verbal form of ~p~q is
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If p: The sun has set, q: The moon has risen, then symbolically the statement 'The sun has not set or the moon has not risen' is written as