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test_latex [2019/02/08 11:06] wikiadmin |
test_latex [2019/02/08 11:07] wikiadmin |
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We define concatenation and iteration of languages by | We define concatenation and iteration of languages by | ||
\begin{eqnarray*} | \begin{eqnarray*} | ||
- | L_1 \cdot L_2 &=& \{ s_1 \cdot s_2 \mid s_1 \in L_1 \land s_2 \in L_2 \} \\ | + | K_1 \cdot L_2 &=& \{ s_1 \cdot s_2 \mid s_1 \in L_1 \land s_2 \in L_2 \} \\ |
L^0 &=& \{ \epsilon \} \\ | L^0 &=& \{ \epsilon \} \\ | ||
L^{n+1} &=& L \cdot L^n \\ | L^{n+1} &=& L \cdot L^n \\ |