A={1,2}
B={1,2,3}
C={1,2,4}
false
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,
1 answer
1 answer
1 answer
1 answer
1 answer
1 answer