Quiz #1 Flashcards Preview

Logic > Quiz #1 > Flashcards

Flashcards in Quiz #1 Deck (45)
Loading flashcards...
1

what is the definition of logic

the science of right thinking and art of reason

2

who was called the father of logic

Aristotle

3

who layed the groundwork for modern symbolic logic

Chrysippus

4

give the name of one philosopher who made advances in symbolic logic

Gottfried Wilhelm Leibniz

5

who pioneered the theories about induction that we study today

John Gottfried Leibniz

6

Give the names of three people whose names are associated with modern kinds of mathematical logic

Gottlob Frege, AlfredNorth and Bertrand Russell

7

what are the two main branches of logic

formal and material

8

explain formal logic (the first branch) and describe it

formal logic leads us from one truth to another

9

explain material logic (the second branch) and describe it

material logic looks at how valid an argument is and uses truth as a secondary source

10

true or false? the purpose of formal logic is to discover truth

false

11

true or false? it is necessary to have logic in order to discover truth

false

12

true or false? logic leads us from one truth to another

true

13

true or false? a statement can be true or false

true

14

true or false? a statement can be valid or invalid

false

15

true or false? an argument can be true or false

false

16

true or false? an argument can be valid or invalid

true

17

true or false? truth is only of secondary consideration in formal logic

false

18

define truth

the correspondence of a statement to reality

19

what dose it mean to say an argument is valid

an argument is valid when its conclusion follows logically from its premises

20

define soundness

the soundness term is used to indicate that all premises in an argument are true and that the argument is valid

21

true or false? an argument can contain true premises and be invalid

true

22

true or false? an argument can resound and contain false premises

false

23

true or false?a sound argument must be sound

true

24

true or false? a valid argument must be sound

true

25

true or false? an argument with true premises can be unsound

true

26

true or false? an argument can contain only one premise

false

27

Premise or conclusion? All men are mortal

Premise

28

Premise or conclusion? Socrates is a man

Premise

29

Premise or conclusion? Therefore, Socrates is mortal

Conclusion

30

each of these logical processes or mental acts originates in a _______ and manifests in the form of a ______

Simple apprehension & Term