T6.1: 2 of 5


Here are three easy derivations. At least, they should be easy if you can see how the names fit in. (Hint: they just go along for the ride. You do these just as in 5.2 or 5.3. Oh, except there is one short-cut rule that helps. See the hints.)

You may use the standard PD typing shortcuts. Also, answers are available but try to do these on your own or look only sparingly!

Justification:       Sentence:       

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