same time, indicating a logical or statistical relationship of exclusion. nand A logical operation meaning "not and"; it produces a true result for all...

{\displaystyle X(s\otimes n)=X(n\otimes s)=s.} NAND and NOR The matrices S and P correspond to the Sheffer (NAND) and the Peirce (NOR) operations, respectively:...

sole sufficient operator such as the Peirce arrow (NOR) or Sheffer stroke (NAND). Similarly, in classical first-order logic, one of the quantifiers can be...

extreme -- Logical form -- Logical harmony -- Logical holism -- Logical NAND -- Logical NOR -- Logical operator -- Logical quality -- Logical truth --...