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???
09/18/08 12:49
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#158360 - NAND and NOR fuzzy?
Responding to: ???'s previous message
In negative logic, you can also have NAND and NOR.

Nothing "mucking around".

A positive-logic OR with inverted inputs is the same as an inverted logic OR (a positive logic OR with inputs and outputs inverted) with inverted output (NOR) which is the same as a positive-logic NAND.

Or are you claiming that our normal NAND and NOR gates are "fuzzy"?

It just a question of how we decide to name the different combinations, when we have inverted or "negative logic" on inputs and/or outputs.

List of 22 messages in thread
TopicAuthorDate
negartive and positive logic ...            01/01/70 00:00      
   So what??            01/01/70 00:00      
      Language???            01/01/70 00:00      
         deMorgan ...            01/01/70 00:00      
            deMorgan states pos AND = neg OR            01/01/70 00:00      
               Is there a contradiction here?            01/01/70 00:00      
                  NO!, it is a negative NOR            01/01/70 00:00      
                     I don't follow ...            01/01/70 00:00      
                        negative logic / means TRUE            01/01/70 00:00      
                           / means NOT            01/01/70 00:00      
   Negative input NOR = Negative OR            01/01/70 00:00      
      I have never heard of            01/01/70 00:00      
         NAND and NOR fuzzy?            01/01/70 00:00      
            nope            01/01/70 00:00      
               I beg to differ            01/01/70 00:00      
               Negative In - Positive Out            01/01/70 00:00      
                  "drawn as"            01/01/70 00:00      
                     It's semantics ...            01/01/70 00:00      
   Assertion and Negation            01/01/70 00:00      
      things have changed ...            01/01/70 00:00      
         Something to live with            01/01/70 00:00      
            OT: Freescale            01/01/70 00:00      

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