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Show that the grammar with productions

$S\rightarrow SS,$

$S\rightarrow \lambda,$

$S\rightarrow aSb,$

$S\rightarrow bSa.$

is ambiguous.
asked in Theory of Computation by Boss (14k points) | 27 views
In this gammer there are strings that can be created with different production leading to same string. basically tree structure is different for same string eg: abab

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