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strings_and_languages [2019/07/02 16:16] fabien [Simple Consequences] |
strings_and_languages [2019/07/02 16:16] fabien [Strings and languages] |
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| Also directly from definition follows: | Also directly from definition follows: | ||
| \begin{equation*} | \begin{equation*} | ||
| - | \{ w_991 \} \cdot \{ w_2 \} = \{ w_1\cdot w_2 \} | + | \{ w_1 \} \cdot \{ w_2 \} = \{ w_1\cdot w_2 \} |
| \end{equation*} | \end{equation*} | ||