What is a predicate?

Question

Being a hobbyist coder, I\'m lacking some fundamental knowledge. For the last couple days I\'ve been reading some stuff and the word \"predicate\" keeps reappearing. I\'d ve

Answer 1

The best S.O. answer around predicates, that I have found, is on a duplicate question.

To summarize, in natural languages a predicate is the part of the sentence that describes a subject.

Jane is tall

Jane is the subject and is tall is the predicate.

In computer science we are not interested in asserting a fact about a subject but rather testing if something is true or false.

jane.isTall();

Here jane is some object with a predicate method that will return either true or false.