Free LSAT  Course > Logical Reasoning > Assumptions > Sufficient Assumptions

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?

Intro (0:01) | Ex.1 (4:30) | Ex.2 (12:28) | Trap Choices (18:07)

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

Next LSAT: September 16

Video Quiz

Sufficient Assumptions

Best viewed in landscape mode

1 question with a video explanation

100 seconds per question

Continue to Question (1)

Time Expired

Replay Video

Replay Video

Are you sure you want to refresh the question?

Instructions

Choose the correct answer.

Press SELECT to start video.

Be sure to turn on your volume to hear the explanation.

Find local LSAT classes & schedules using our database of over 150 cities.

Next LSAT: September 16