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Ambiguity in human language is argued to reflect principles of efficient communication. [2] [3] Languages that communicate efficiently will avoid sending information that is redundant with information provided in the context. This can be shown mathematically to result in a system that is ambiguous when context is neglected.
Punctuation can be used to introduce ambiguity or misunderstandings where none needed to exist. One well known example, [17] for comedic effect, is from A Midsummer Night's Dream by William Shakespeare (ignoring the punctuation provides the alternate reading). Enter QUINCE for the Prologue Prologue If we offend, it is with our good will.
The language itself is sometimes a contributing factor in the overall effect of semantic ambiguity, in the sense that the level of ambiguity in the context can change depending on whether or not a language boundary is crossed. [3] Lexical ambiguity is a subtype of semantic ambiguity where a word or morpheme is ambiguous.
Syntactic ambiguity, also known as structural ambiguity, [1] amphiboly, or amphibology, is characterized by the potential for a sentence to yield multiple interpretations due to its ambiguous syntax. This form of ambiguity is not derived from the varied meanings of individual words but rather from the relationships among words and clauses ...
Such examples of initial ambiguity resulting from a "reduced relative with [a] potentially intransitive verb" ("The horse raced in the barn fell.") can be contrasted with the lack of ambiguity for a non-reduced relative ("The horse that was raced in the barn fell.") or with a reduced relative with an unambiguously transitive verb ("The horse ...
The existence of multiple derivations of the same string does not suffice to indicate that the grammar is ambiguous; only multiple leftmost derivations (or, equivalently, multiple parse trees) indicate ambiguity. For example, the simple grammar S → A + A A → 0 | 1 is an unambiguous grammar for the language { 0+0, 0+1, 1+0, 1+1 }.
Fuzzy language refers to the strategic manipulation of hedges so as to deliberately introduce ambiguity into a statement. Hedges can also be used to express sarcasm as a way of making sentences more vague in written form. Sapphire works really hard. In this sentence, the word really can make the sentence fuzzy depending on the tone of the ...
Usually, ambiguity is a feature of the grammar, not the language, and an unambiguous grammar can be found that generates the same context-free language. However, there are certain languages that can only be generated by ambiguous grammars; such languages are called inherently ambiguous languages .