Thread: Quick logic question

How can i write A /\ B (A and B) using only the signs for negation and the sign for if then (the right facing arrow)

I know i am supposed to use the changing laws but i cant figure out how.


Regards

Originally Posted by Monika1987

How can i write A /\ B (A and B) using only the signs for negation and the sign for if then (the right facing arrow)

I know i am supposed to use the changing laws but i cant figure out how.


Regards

--- you can check this with table of truth ( i think that is the term in english, maybe not ( it is just literal translation from my language ) )

so

you need

what a mistake!!!

Originally Posted by Monika1987

How can i write A /\ B (A and B) using only the signs for negation and the sign for if then (the right facing arrow)

Actually it is .