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Flashcards in Task 8 Deck (10)
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1

Write down the formula for "modus ponens":

(P triangle pointing up (P->Q))-> Q

2

Write down the formula for "modus tollens":

(-Q triangle pointing up (P->Q))-> -P

3

What is meant by logically true or tautologous ?

All outcomes are true

4

What is meant by logically false or self-contradictory ?

All outcomes are wrong

5

What is meant by Contingent ?

All outcomes are a mixture of true and false conclusion

6

What formula is used to identfy the number of rows which are need for the correct formula regarding a propositional logic ?

2^n

7

What does logically equivalent mean ?

- If both of the truth tables have identical solutions !!

8

What is meant by a contradictionary statement ?

- if the both tof the truth tables have complete opposite solutions

9

What is meant by a consistent statment ?

- If the truth table is at least on one line identical to the other truth table

10

What is meant by inconsitent statement ?

- no line of both truth tables are identical