For a given string, if we can draw more than one parse tree from a given grammar, then that grammar is Ambiguous in nature.
If grammar is both left & right recursive, then it’s an ambiguous grammar.
For conversion of ambiguous to unambiguous grammar, there is a need to break down either left or right recursiveness of a grammar.
Link for video on Recursive grammar is as below:
• Recursive Grammar | Left Recursive & Right...
Link for video on Left & Right Recursive Grammar is as below:
• Left Recursive & Right Recursive Grammar |...
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