Exotic Logics

[Dave Angel]

Michael Torrie wrote:
> William Clifford wrote:
>   
>> I've read one can do all of the 16 binary operations with clever uses
>> of NAND or NOR.
>>     
>
> That is correct.  In fact semiconductor logic is done using these two
> principle gates.  See  http://en.wikipedia.org/wiki/NAND_logic .  Quite
> interesting really.
>
>   
Not "is done"  but  "could be" done.

As your reference correctly points out,  "However, contrary to popular 
belief, modern integrated circuits 
<http://en.wikipedia.org/wiki/Integrated_circuit> are not constructed 
exclusively from a single type of gate"