Held: Wednesday, 18 February 2004
Summary: Today we consider a significant problem in the use of grammars: Ambiguous grammars.
S ::= | SS | a
statement ::= conditional | OTHER conditional ::= IF TEST THEN statement | IF TEST THEN statement ELSE statement
Exp: NUM Exp: ID Exp: Exp MULOP Exp Exp: Exp ADDOP Exp Exp: LPAREN Exp RPAREN
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