Ace the LSAT 2026 – Master the Law School Entry Test with Style!

In Formal Logic, the term identified by the phrase "The only" is a Suffucient Condition. In this context, a sufficient condition is a condition that, if satisfied, guarantees the outcome. It is the only condition needed for the result to occur. This term is specifically denoted by the phrase "The only" in Formal Logic.

Regarding the other options:

A. Necessity - In logic, necessity refers to something that must be true in order for a conclusion to be valid.

C. Not all - This phrase does not specify a particular term in Formal Logic.

D. Contrapositive - The contrapositive of a statement is essentially a rearrangement of its terms in a specific logical form, not directly related to the phrase "The only" as mentioned in the question stem.