When a grammar is called ambiguous? Is there any technique to remove a

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Module 2 : Syntax Analysis (Parser)

20235m

When a grammar is called ambiguous? Is there any technique to remove ambiguity? Justify whether the following grammar is ambiguous or not?
$S \rightarrow aS/Sa/a$

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FORMAL LANGUAGE & AUTOMATA THEORYShow that the following grammar is ambiguous: S \rightarrow SS | aSb | bSa | \epsilon20257m FORMAL LANGUAGE & AUTOMATA THEORYCheck whether the grammar: S \to aSa \mid bSb \mid a \mid b is ambiguous.20217m Compiler DesignWhen a grammar is called ambiguous? Is there any technique to remove ambiguity? Justify whether the grammar is ambiguous or not? A \to AA | (A) | a20234m FORMAL LANGUAGE & AUTOMATA THEORYCheck whether the grammar is ambiguous: S \to a \mid abSb \mid aAb A \to bS \mid aAAb20247m

PreviousConsider the following grammar: S \rightarrow CC C \rightarrow cC/d Construct CLR(1) and LALR(1) parsing table.NextConsider the following grammar: E \rightarrow E+T/T T \rightarrow T*F/F F \rightarrow (E)/id Obtain FIRST and FOLLOW sets of the above grammar.

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