T5.5 8 of 8

Deriving a few More "Derived rules"

For this page, you'll go back to the basic or essential rules: those of 5.4. The idea is for you to show that the "derived" or "short-cut" rules are just that.

As usual, you'll find answers to "selected problems" here. But if you look at these, you may want to come back and do these again later entirely on your own.


Justification:       Sentence: