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Questions › JNU › JNU SSS 2013 › Q61
1 mark, −0.25Mathematics › Logic and proof techniques › Necessary and sufficient conditionsEasyabout 1 min

JNU SSS 2013 Question 61: Logic and proof techniques

If AAA is sufficient for BBB to occur and CCC is necessary for BBB to occur

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Plain-text version

If A is sufficient for B to occur and C is necessary for B to occur (A) from occurrence of B we can conclude that A has occurred (B) from occurrence of B we can conclude that C has occurred (C) from occurrence of C we can conclude that A has occurred (D) from occurrence of C we can conclude that B has occurred

Logic and proof techniques has come up 73 times in 3 exams since 2004.

What this question tests

This question is on Necessary and sufficient conditions, part of Logic and proof techniques in Mathematics.

Telling apart what must hold from what is enough to guarantee a result.

TestStop has 2 past-paper questions on this subtopic.

Practise Logic and proof techniquesMore on Necessary and sufficient conditions

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Question from the JNU SSS 2013 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.