Question

An undefined term cannot be used in a theorem.

True
False

Answer 1

probably true

Answer 2

Have you ever seen that?!

Answer 3

theorem is something we accept without proof, and an undefined term is obviously unacceptable

Answer 4

....No, it CANNOT

Answer 5

Actually, @11calcBC is correct, if it is an undefined term it cannot be used in a theorem because they are not formally defined, meaning that they can't be proven. A theorem must be able to be proved.

Answer 6

it was false

Answer 7

? rly???

Answer 8

I can see why\[b/0=undefined\]would be a theorem....
But I haven't ever seen theorems with terms "undefined'

Sorry for misleading you!