Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | Next revision Both sides next revision | ||
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subset_complement [2013/06/16 17:59] nikolaj |
subset_complement [2013/08/04 17:45] nikolaj |
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| Line 4: | Line 4: | ||
| | @#88DDEE: $X\subset Y$ | | | @#88DDEE: $X\subset Y$ | | ||
| - | | @#55EE55: $ X^c $ | | + | | @#55EE55: $ X^c \equiv Y\smallsetminus X $ | |
| - | + | ||
| - | | @#55EE55: $ Y\smallsetminus X $ | | + | |
| Notice that the notation $ X^c $ doesn't actually denote the bigger set $Y$. It is supposed to be stated or known from the context. | Notice that the notation $ X^c $ doesn't actually denote the bigger set $Y$. It is supposed to be stated or known from the context. | ||
