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

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

caozeyuan · Answer

indirect proof is also known as proof by contradiction

caozeyuan · Answer

so you need to defy the original statement

caozeyuan · Answer

for a the new statement would be  at most 6 dogs

caozeyuan · Answer

b cannot be proven, obviously