Question

INDIRECT PROOFING HELP!

Answer 1

Fran is doing an indirect proof with four given statements and one conclusion. How many of these statements must be false based on her assumption to contradict the assumption and prove the original conclusion?

Exactly three

All four

At least one

None of them

Answer 2

@emmakayruby

Answer 3

I would say at least one.
Usually it goes like this:
Prove A
Assume B
B implies C etc etc leading to not B
Contradiction!

Answer 4

It HAS to be right :/

Answer 5

Is it saying it is right?? or wrong because it has to be right haha i agree with you

Answer 6

nvm lol

Answer 7

haha okay ^_^