No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 3959-3959 | Logging in is a subclass of user direct action |
No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 4004-4004 | User password login is a subclass of logging in |
No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 4293-4293 | Two-factor login is a subclass of logging in |