Let D70= {1, 2, 5, 7, 10, 14, 35, 70}, the divisors of 70. Show how D70 is made into a Boolean algebra.
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Tuesday, July 26
Boolean algebra
by
Crazy Horse
on Tue 26 Jul 2005 02:22 PM EDT
Propositions
by
Crazy Horse
on Tue 26 Jul 2005 02:14 PM EDT
Verify that the proposition (p ^ q) ^ ~ (p v q) is a contradiction.
Half Life
by
Crazy Horse
on Tue 26 Jul 2005 11:00 AM EDT
If an enriched radioactive isotope has a half-life of 8 minutes, what proportion would be left after 24 minutes?
(1) .083 (2) .125 (3) .166 (4) .25 (5) .5 |
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