(wÄlâ²kÉm) adj. 1. Received with pleasure and hospitality into one's company or home: a welcome guest. 2. Giving pleasure or satisfaction; agreeable or gratifying: a welcome respite from hard work. 3. Cordially or willingly permitted or invited: You are welcome to join us.
Antecedent (logic) An antecedent is the first half of a hypothetical proposition, whenever the if-clause precedes the then-clause. It is also known for a person's principles to a possible or hypothetical issue. In some contexts the antecedent is called the protasis. Examples:
Now the antecedent (student) is the direct object of the main sentence and should therefore be accusative, but the relative pronoun is the subject in its own clause (who killed) and should therefore be nominative.