Traditional grammars have always concentrated on sentence structure. The assumption is that what makes a sentence meaningful and grammatical is the number of constituents and the meanings attributed to individual words. In other words, a sentence is defined as a series of meaningful words, which represent the sentence meaning regardless of the arrangements of the words. In this paper, attempts are made to demonstrate that a sentence, in its simplest form has multiple meaning structures. Thus, our description of a particular sentence should go much beyond the scope of surface structure. In other words, logical form categories should also be taken into consideration.
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