Question

Discrete Mathematics help

Prove ((A ⊕ B) ⊕ B) ≡ A and ((A ↔ B) ↔ B) ≡ A
not sure how to go about it, any help appreciated thanks

Answer 1

I did it wrong. Need to re-start, I thought that was the exclusive OR symbol.

Answer 2

It is!

Answer 3

Don't restart it is the xor symbol (or meant to be atleast)

Answer 4

Is it? When I worked it out it looked wrong, so let's do both to see which one is correct. If I worked it out as a exclusive AND it worked out correct.

I will go back into the draw function.

Answer 5

I found my Discrete text book from the early 80's and confirmed the symbol is an EXOR...