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
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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!!!
Last edited by josipive; Mar 11th 2010 at 06:29 AM.
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 .
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