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The typical example is in propositional logic, wherein a compound statement is constructed using individual statements connected by logical connectives; if the truth value of the compound statement is entirely determined by the truth value(s) of the constituent statement(s), the compound statement is called a truth function, and any logical ...
A sentence consisting of at least one dependent clause and at least two independent clauses may be called a complex-compound sentence or compound-complex sentence. Sentence 1 is an example of a simple sentence. Sentence 2 is compound because "so" is considered a coordinating conjunction in English, and sentence 3 is complex. Sentence 4 is ...
The classic instance of an exocentric construction is the sentence (in a phrase structure grammar). [5] The traditional binary division [6] of the sentence (S) into a subject noun phrase (NP) and a predicate verb phrase (VP) was exocentric: Hannibal destroyed Rome. - Sentence (S) Since the whole is unlike either of its parts, it is exocentric.
In some logical calculi (notably, in classical logic), certain essentially different compound statements are logically equivalent. A less trivial example of a redundancy is the classical equivalence between ¬ p ∨ q {\displaystyle \neg p\vee q} and p → q {\displaystyle p\to q} .
The predicate calculus goes a step further than the propositional calculus to an "analysis of the inner structure of propositions" [4] It breaks a simple sentence down into two parts (i) its subject (the object (singular or plural) of discourse) and (ii) a predicate (a verb or possibly verb-clause that asserts a quality or attribute of the object(s)).
If a compound is built up from n distinct sentence letters, its truth table will have 2 n rows, since there are two ways of assigning T or F to the first letter, and for each of these there will be two ways of assigning T or F to the second, and for each of these there will be two ways of assigning T or F to the third, and so on, giving 2.2.2 ...
Similarly, in the compound noun birdsong, the stem song is the head since it determines the basic meaning of the compound. The stem bird modifies this meaning and is therefore dependent on song. Birdsong is a kind of song, not a kind of bird. Conversely, a songbird is a type of bird since the stem bird is the head in this
In linguistics and grammar, a sentence is a linguistic expression, such as the English example "The quick brown fox jumps over the lazy dog." In traditional grammar , it is typically defined as a string of words that expresses a complete thought, or as a unit consisting of a subject and predicate .