Posted by **Ron** on Friday, April 5, 2013 at 8:39pm.

For sets A, B, C is a subset of U, prove or disprove (with a counter-example) the following: If A is a subset of B, B is not a subset of C, then A is not a subset of C,

- Discrete Math -
**Steve**, Saturday, April 6, 2013 at 5:25am
A={1,2}

B={1,2,3}

C={1,2,4}

false

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