A condition which can be determined, when you use deduction and start from a given set of rules and conditions is: A. what must be true?
What is deductive reasoning?
Deductive reasoning simply refers to a type of logical reasoning that typically involves drawing conclusions based on a given set of rules and conditions or from one or more premises (factual statements) that are assumed to be generally (universally) true.
In this context, we can infer and logically conclude that "what must be true?" is a condition which can be determined, when someone use deduction and starts from a given set of rules and conditions.
Read more on deductive reasoning here: https://brainly.com/question/24103587
#SPJ2
