On the LSAT, you must be able to identify any assumptions, or gaps, between the evidence and the conclusion. We are going to discuss two types of assumptions: Sufficient Assumptions and Necessary Assumptions.

CHALLENGE: Identify the Sufficient Assumptions

Sufficient Assumption questions are phrased like this:

• The conclusion follows logically if which one of the following is assumed?
• The conclusion of the argument can be properly drawn if which one of the following is assumed?

Here are two philosophy videos that go through the distinctions between sufficient and necessary.