Using the rules of boolean algebra prove (state which rule is used at each step):-
So far I have,
This is where I hit the brick wall. I've also tried doing the Extended De Morgan rule first but that doesn't seem right to me.
any help appreciated.
I guess this is a trickier subject than I thought judging by the replies. Is there anyone out there who can check my final answer to this. I'm submitting it tomorrow.
Step1
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Rewriting
Step2
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De Morgan (ii)
Step3
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Extended De Morgan (ii)
This is the best I can come up with so it will have to do. Looks correct to me anyway