- #1
arupel
- 45
- 2
I am a little confused here:
a) The number 2 which is at the beginng of one set is closed.
The number 2 is open at the beginning of the other set.
b) The number 2 is closed of the beginning of a set which goes to infinity.
The other set begins at 0 and goes to infinity (2 is an element of the set).
How is closed 2 handled in the interaction and union of the sets in a and b?
Another way of asking these questions is how do the line intervals look like?
Thanks,
Confused,
Arthur Rupel
a) The number 2 which is at the beginng of one set is closed.
The number 2 is open at the beginning of the other set.
b) The number 2 is closed of the beginning of a set which goes to infinity.
The other set begins at 0 and goes to infinity (2 is an element of the set).
How is closed 2 handled in the interaction and union of the sets in a and b?
Another way of asking these questions is how do the line intervals look like?
Thanks,
Confused,
Arthur Rupel