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Questions › JNU › JNU SSS 2010 › Q66
1 mark, −0.5Mathematics › Logic and proof techniques › Logical reasoning puzzlesModerateabout 2 min

JNU SSS 2010 Question 66: Logic and proof techniques

Suppose one wishes to prove that "if all XXX are YYY, then all ZZZ are WWW". To do this, it would suffice to show that

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Suppose one wishes to prove that "if all X are Y, then all Z are W ". To do this, it would suffice to show that (A) all Z are X, and all W are Y (B) all Y are Z, and all W are X (C) all X are Z, and all Y are W (D) all Z are X, and all Y are W

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

What this question tests

This question is on Logical reasoning puzzles, part of Logic and proof techniques in Mathematics.

Deduction problems that ask what must follow from a set of constraints.

TestStop has 47 past-paper questions on this subtopic.

Practise Logic and proof techniquesMore on Logical reasoning puzzles

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