Browsing Interface : Welcome guest : log in
Home |  Graph |  LogLearn |  Editor |  ]  KB:  Language: 
  Formal Language: 



KB Term:  Term intersection
English Word: 

  TwoFactorAuthentication

Sigma KEE - TwoFactorAuthentication
TwoFactorAuthentication(two_factor authentication)

appearance as argument number 1
-------------------------


(instance TwoFactorAuthentication AccountSecurityType) ComputingBrands.kif 4273-4273 Two_factor authentication is an instance of account security type
(documentation TwoFactorAuthentication EnglishLanguage "A Attribute of account specifying that a TwoFactorLoggingIn action is required for access.") ComputingBrands.kif 4274-4276 Two_factor authentication is an instance of account security type

appearance as argument number 2
-------------------------


(termFormat EnglishLanguage TwoFactorAuthentication "two_factor authentication") ComputingBrands.kif 4277-4277
(contraryAttribute UserNamePasswordAuthentication TwoFactorAuthentication) ComputingBrands.kif 4296-4296 User and password authentication is the opposite of two_factor authentication

antecedent
-------------------------


(=>
    (and
        (attribute ?AC TwoFactorAuthentication)
        (loggedInDuring ?A ?AC ?T))
    (exists (?TF)
        (and
            (instance ?TF TwoFactorLoggingIn)
            (agent ?TF ?A)
            (accountUsed ?TF ?AC)
            (earlier
                (WhenFn ?TF) ?T))))
ComputingBrands.kif 4279-4288 If two_factor authentication is an attribute of X and Y is logged_in to X during Z, then there exists W such that W is an instance of two_factor login, Y is an agent of W, the accountUsed in W is X, and the time of existence of W happens earlier than Z


Show simplified definition (without tree view)
Show simplified definition (with tree view)

Show without tree


Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0.0-0a80e6c8 (2026-05-12) is open source software produced by Articulate Software and its partners