Basic Logic

Question 0

What is an explanation

Answer 0

Tells you how something came to be the way it is

Question 1

What is an argument

Answer 1

Provides reasons for believing that a proposition is true

Question 2

What is a valid argument

Answer 2

Conc follows from the premises

Even if premises are false

Question 3

What is an invalid Argument

Answer 3

Conc doesn’t follow from premises, even if premises are true

Question 4

Example of a valid, unsound argument

Answer 4

All dogs are reptiles
Bugs Bunny is a dog
- bugs bunny is a reptile

Question 5

Example of a valid, sound argument

Answer 5

All dogs are mammals
Goofy is a dog
Goofy is a mammal

Question 6

What is a sound argument

Answer 6

Premises entail the conclusion, premises are true, so conc has to be true

Question 7

What is a cogent argument

Answer 7

When an argument is sound and persuasive

Question 8

What is a necessary condition

Answer 8

It is impossible to have Y without X

Having 4 sides is a necessity to be a square

Question 9

What is a sufficient condition

Answer 9

The presence of X guarantees the presence of Y

Being divisible by 4 is sufficient for being an even number