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Let A, B, C and D be four non-empty sets...

Let A, B, C and D be four non-empty sets. The contrapositive statement of ''If `A sube B` and `B sube D`, then `A sube C`'' is :

A

If A `sube` C, then B `sub` A and D `sub` B

B

If A `cancelsube` C, then A `sube` B and B `sube` D

C

If A `cancelsube` C, then A `cancelsube` B and B `sube` D

D

If A `cancelsube` C, then A `cancelsube` B or B `cancelsube` D

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The correct Answer is:
D
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