If an arguer precedes his or her conclusion with the phrase "it must be the case that," then the argument is definitely deductive.

Question

Quizplus · Accepted Answer

The phrase "it must be the case that" indicates a strong assertion or conclusion but does not necessarily mean the argument is deductive. Deductive arguments are defined by their logical structure, where the conclusion necessarily follows from the premises, not by specific phrases used in the argument.

If an Arguer Precedes His or Her Conclusion with the Phrase