Question

Angie did the following proof in her logic class. Which step in the indirect proof did she do incorrectly?

Prove: 8 is divisible by 4.

Step 1: Assume that 8 is not divisible by four.
Step 2: 8 is divisible by 4
Step 3: 8 is divisible by 4.

Step 1

Steps 1 and 3

Step 3

Step 2

Answer 1

isn't step 2 and 3 the same??
please verify your question.....

Answer 2

I am really confused about this topic so i really dont know

Answer 3

then if i have to guess,i will guess step 2

Answer 4

youre not copying correctly, steps 2 and 3 are the same

Answer 5

I just recopied it and it is the same.
Angie did the following proof in her logic class. Which step in the indirect proof did she do incorrectly?

Prove: 8 is divisible by 4.

Step 1: Assume that 8 is not divisible by four.
Step 2: 8 is divisible by 4
Step 3: 8 is divisible by 4.

Step 1

Steps 1 and 3

Step 3

Step 2

Answer 6

clearly step 2 is incorrect
after assuming 8 is not divisible by 4,one cannot conclude that 8 is divisible by 4

Answer 7

thank you