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No TPTP formula. May not be expressible in strict first order. Government.kif 619-625
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 14855-14855 Fixed holiday is a subclass of holiday
No TPTP formula. May not be expressible in strict first order. Media.kif 336-336 Christmas day is a subclass of fixed holiday
No TPTP formula. May not be expressible in strict first order. Media.kif 518-518 Epiphany is a subclass of fixed holiday


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