Question

1.
What is the first step in the indirect proof?
a. Given: There are 12 dogs and cats at a veterinarian’s office. There are more dogs than cats.
Prove: There are at least 7 dogs.
b. Given: an integer n
Prove: n is odd

Answer 1

indirect proof is also known as proof by contradiction

Answer 2

so you need to defy the original statement

Answer 3

for a the new statement would be at most 6 dogs

Answer 4

b cannot be proven, obviously