Avoiding Fallacious Reasoning: Lesson 6

The following exercises were taken from LogicCola, which is software written by a logic professor, Dr. Harry Gensler. These are considered very easy, and they should be mastered before moving on in the next lesson.

Some basic rules in a clause:

If negation comes first in the clause, then put the tilde outside of the parenthesis. The tilde is the main operator of the clause

If either comes first, then the wedge is the main operator of the clause

If both comes first, then the conjunction is the main operator

Example:

Both P and either L or F

(P • (L V F))

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