Question
We have this grammar: T -> W W -> X | Y X -> (Y) Y -> X + Y | Z Z -> 2
We have this grammar: T -> W
W -> X | Y
X -> (Y)
Y -> X + Y | Z
Z -> 2 | 1 If any of these other rules are added, which ones would make the grammar above to be left-recursive and why?
1. X -> Y
2. Z -> X
3. W -> Z
4. Z -> A
5. Y -> 2Y
6. Y -> Y + X
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Main Memory Database Systems
Authors: Frans Faerber, Alfons Kemper, Per-Åke Alfons
1st Edition
1680833243, 978-1680833249
