108520
At any rate , one has the following array of corresponding forms for the symbols associated with logical inequality : This explains why " EQ " is often called " XNOR " in the combinational logic of circuit engineers , since it is the Negation of the XOR operation ; NXOR is a less commonly used alternative .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None