Counter Examples

Question 1

What is a counter example?

Answer 1

A counter example to an argument is a possible situation in which its premises are true T and its conclusion is F

Question 2

Can there be any counterexamples to a logically valid argument?

Answer 2

There are no counterexamples to a logically valid arguments

Question 3

Are there any counter examples if the argument is not valid?

Answer 3

There is at least one counter example to it.

Question 4

How do we show that an argument is not logically valid?

Answer 4

we specify a counter example