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A conjunct is an adverbial that adds information to the sentence that is not considered part of the propositional content (or at least not essential) but which connects the sentence with previous parts of the discourse. Rare as it may be, conjuncts may also connect to the following parts of the discourse.
A conjunction may be placed at the beginning of a sentence, [1] but some superstition about the practice persists. [2] The definition may be extended to idiomatic phrases that behave as a unit and perform the same function, e.g. "as well as", "provided that".
A conjunctive adverb, adverbial conjunction, or subordinating adverb is an adverb that connects two clauses by converting the clause it introduces into an adverbial modifier of the verb in the main clause. For example, in "I told him; thus, he knows" and "I told him. Thus, he knows", thus is a conjunctive adverb. [1]
In logic, mathematics and linguistics, and is the truth-functional operator of conjunction or logical conjunction. The logical connective of this operator is typically represented as ∧ {\displaystyle \wedge } [ 1 ] or & {\displaystyle \&} or K {\displaystyle K} (prefix) or × {\displaystyle \times } or ⋅ {\displaystyle \cdot } [ 2 ] in ...
One definition is based upon representing the grammar as a system of language equations with union, intersection and concatenation and considering its least solution. The other definition generalizes Chomsky's generative definition of the context-free grammars using rewriting of terms over conjunction and concatenation.
Wherever logic is applied, especially in mathematical discussions, it has the same meaning as above: it is an abbreviation for if and only if, indicating that one statement is both necessary and sufficient for the other. This is an example of mathematical jargon (although, as noted above, if is more often used than iff in statements of definition).
definition: is defined as metalanguage:= means "from now on, is defined to be another name for ." This is a statement in the metalanguage, not the object language. The notation may occasionally be seen in physics, meaning the same as :=.
A well-known constraint on coordinate structures is the Coordinate Structure Constraint, which states that extraction from one conjunct of a coordinate structure is not allowed. This constraint can be seen in the ungrammaticality of sentences like *What did John buy apples and?