T(x) : x is in this class B(x) : x has a motor bike C(x) : x has a car how do I state: Only one person in this class has a motor bike my current answer is: is this right? how about if there is at least two people in this class have a car
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Originally Posted by TheRekz T(x) : x is in this class B(x) : x has a motor bike C(x) : x has a car Only one person in this class has a motor bike There is at least two people in this class have a car For the first on I would expect: . The second one could be:
Originally Posted by Plato For the first on I would expect: . The second one could be: for the first one would it be the same if I say y = x, rather than x = y??
WELL, of course! It is always true that
Originally Posted by Plato WELL, of course! It is always true that thanks Plato, it really helps.. what about the second one?? is my answer considered fine?
Look at the answer I gave for the second one:
Originally Posted by Plato Look at the answer I gave for the second one: yeah but I think it's almost similar from what I did
But in what you did it is possible that x=y. In that case we don't have two, but maybe only one.
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