## Individual Research Project Section 3.6

### Project 3.9

Build a simple device which will add single digit numbers.

**References:**

Circuit design

http://en.wikipedia.org/wiki/Adder_(electronics)

http://cpuville.com/adder.htm… See the whole entry

Build a simple device which will add single digit numbers.

**References:**

Circuit design

http://en.wikipedia.org/wiki/Adder_(electronics)

http://cpuville.com/adder.htm… See the whole entry

A mathematician attended a convention of men and women scientists. The mathematician observed that if any two of them were picked at random, at least one of the two would be male. From this information, it … See the whole entry

Suppose a prisoner must make a choice between two doors. One door leads to freedom and the other door is booby-trapped so that it leads to death. The doors are labeled as follows:

**Door 1:** This door leads … See the whole entry

Between now and the end of the course, look for logical arguments in newspapers, periodicals, and books. Translate these arguments into symbolic form. Turn in as many of them as you find. Be sure to indicate where you … See the whole entry

Do some research to explain the differences between the words *necessary* and *sufficient*.

Sometimes statements *p* and *q* are described as contradictory, contrary, or inconsistent. Consult a logic text, and then define these terms using … See the whole entry

**Deck of Cards Puzzle**

Here is a problem by Bob Stanton from the 1998 issue of Games magazine which you can use to test your logical reasoning.

“For her school’s Science Fair, your niece has pasted a deck … See the whole entry

**Videos:**

Truth tables (time: 4:55)

Conditionals (time: 2:08)

… See the whole entry

**Video:**

Logically equivalent (time: 2:27)

… See the whole entry

**Video:**

Conditionals (time: 3:32)

… See the whole entry

**Videos:**

Negation (time: 7:08)

http://www.youtube.com/watch?v=Z82pjAc52Nw

Conjunction (time: 3:47)

http://www.youtube.com/watch?v=Ix2Uh4q_If8

Disjunction (time: 6:07)

http://www.youtube.com/watch?v=_bBvxr_NYuY… See the whole entry