See Example 1.
See Example 3. Start with the given statement
and use the postulates, one at a time, until
the result is the "to prove" statement.
This is a variation of the letter game of
Example 3. Start with the given statement
and use the postulates of this problem, one
at a time,until the result is the "to prove"
can set up one truth table to answer all of
these questions. Let p: I am a knave
and q: He is a knight. Write a truth
table showing all four possibilities for p
These are one-of-a-kind problems, somewhat
akin to Example 7. You need to think about
each of these, and when you think of the answer
you will have a "gee-whiz" moment.
However, as you go through the book be
sure you look at all the examples in the text.
If you need hints for the Level 3 problems,
check some sources for help on the internet
(see the LINKS for that particular section.
As a last resort, you can call the author
at (707) 829-0606.
On the other hand, the problems designated
"Problem Solving" generally require techniques
that do not have textbook examples.
There are many sources for homework help
on the internet.
Ask Dr. Math
Here is a site where technology meets mathematics.
You can search a particular topic or choose
lessons, calculators, worksheets for extra
practice or other resources.
Dr. Math is a registered trademark. This is
an excellent site at which you can search
to see if your question has been previously
asked, or you can send your question directly
to Dr. Math to receive an answer.
This site provides online graphing calculators.
This is especially useful if you do not have
your own calculator.
The Math Forum @ Drexel
This site provides an internet mathematics
library that can help if you need extra help.
For additional homework help at this site,
click one of the links in the right-hand
Mathematics Home Page
Access the Clemens and Alcuins Library of
CSB/SJU and find one of the world's best collections
of mathematical internet sites.