Chapter 4 use matrix logic
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Chapter 4: Use Matrix Logic. Tom, John, Fred, and Bill each brought his favorite meat to barbecue. From the clues below, determine each man’s occupation and favorite meat. Tom is neither the nurse nor the teacher. Fred and the pilot play in a jazz band together.

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Chapter 4: Use Matrix Logic

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Chapter 4 use matrix logic

Chapter 4:

Use Matrix Logic


Chapter 4 use matrix logic

Tom, John, Fred, and Bill each brought his favorite meat to barbecue. From the clues below, determine each man’s occupation and favorite meat.

Tom is neither the nurse nor the teacher.

Fred and the pilot play in a jazz band together.

The burger lover and the teacher are not musically inclined.

Tom brought hot dogs.

Bill sat next to the burger fan and across from the steak lover.

The secretary does not play an instrument or sing.


Make a chart matrix

Make a chart (matrix).


Mark traits ignoring musical cues

Mark traits(ignoring musical cues).


Combine with musical clues perhaps using adjunct list

Combine with musical clues (perhaps using adjunct list).


Eliminate possibilities

Eliminate possibilities.


Act on eliminated possibilities and eliminate more

Act on eliminated possibilities and eliminate more.


Substitute fred s food marks at bottom of nurse column

Substitute Fred’s food marks at bottom of nurse column.


Act on eliminated possibilities and eliminate more1

Act on eliminated possibilities and eliminate more.


Cross correlate secretary and john

Cross-correlate “Secretary” and “John.”


Eliminate possibilities and act on eliminated possibilities

Eliminate possibilities and act on eliminated possibilities.


Read off solution

Read off solution.

Tom Pilot Hdog

John Scty Burg

Fred Nurse Steak

Bill Tchr Chkn


Strategy use matrix logic

Strategy: Use matrix logic

  • Mark traits from clues.

  • Combine clues, perhaps using adjunct lists.

  • Eliminate possibilities and act on eliminated possibilities.

  • Substitute.

  • Cross-correlate.

  • For other approaches or problems: Study the introduction, and test assumptions.


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