The author uses the word "immediacy" (line 39) most likely in order to express

Samira on October 14, 2019

Compund Statements (And/Or)

For Example 3, why do we negate both A, B, and C? And not just C?

1 Reply

Skylar on November 7, 2019

@nimakian Happy to help!

In order to find the contrapositive, we must reverse and negate everything. If we only negated C and left the other side of the equation the same, our contrapositive would be incorrect. This rule is key to understanding Sufficient and Necessary statements.

Does this help? Let us know if you have additional questions!