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We can remove the left recursion by introducing a new non-terminal, \(A'\), such that: \begin{align*} - A &::= A' \mid \beta A' \\ + A &::= \beta A' \\ A' &::= \alpha A' \mid \epsilon \end{align*} i.e., for the left-recursive rule \(A\alpha\), we instead attempt to parse -- GitLab