Learn about the treaty that established the Wind River Reservation and the two tribes that inhabit it, the Northern Arapaho and Eastern Shoshone. Included is a lesson plan and discussion guide. [4:18]

In this video [5:55] watch a demonstration of one way to approach a sufficient assumption question. It is a worked example.

In this video [9:55] watch one way to approach a question that asks you to identify a sufficient assumption on the logical reasoning section of the LSAT.

How connected are learning scientific facts and learning to reason scientifically?

This lesson will help a learner understand counterexamples. It is 2 of 7 in the series titled "Counterexamples." [1:43]