Differences
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| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
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solution_set [2016/05/19 20:56] nikolaj |
solution_set [2016/05/19 21:15] nikolaj |
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| Line 4: | Line 4: | ||
| | @#55CCEE: context | @#55CCEE: $ \langle Y,y_0 \rangle $ ... pointed set | | | @#55CCEE: context | @#55CCEE: $ \langle Y,y_0 \rangle $ ... pointed set | | ||
| | @#55CCEE: context | @#55CCEE: $ f:X\to Y $ | | | @#55CCEE: context | @#55CCEE: $ f:X\to Y $ | | ||
| - | | @#FFBB00: definiendum | @#FFBB00: $ x \in$ it | | + | | @#FF9944: definition | @#FF9944: $ S := \{x\mid f(x)=y_0\}$ | |
| - | | @#55EE55: postulate | @#55EE55: $ f(x)=y_0 $ | | + | |
| ----- | ----- | ||
| - | This is just $f^{-1}(\{y_0\})$. | + | $S=f^{-1}(\{y_0\})$ |
| === Reference === | === Reference === | ||
