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Revision difference : graph |
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Version 5 |
| The graph of a function $f:X\rightarrow Y$ is the subset of $X\times Y$ given by $\{(x,f(x)) : x\in X\}$. |
The graph of a function $f:X\rightarrow Y$ is the subset of $X\times Y$ given by $\{(x,f(x)) : x\in X\}$. |
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