EntityQ1059362· pop 28· linked from 158 articlesGettier problemSign in to savephilosophical problem about whether justified true belief always counts as knowledgeConnectionsPlatoEntityWillard Van Orman QuineEntitynecessity and sufficiencyEntityjustificationEntityAristotleEntityphilosophyEntityImmanuel KantEntityRené DescartesEntityAugustine of HippoEntityJohn LockeEntityThomas AquinasEntityMiddle AgesEntityknowledgeEntitytruthEntityBertrand RussellEntityBenedictus de SpinozaEntityLudwig WittgensteinEntitySøren KierkegaardEntityInternational Standard Book NumberEntityDavid HumeEntityCategories1960s in philosophyConcepts in epistemologyDefinitions of knowledgePhilosophical problemsThought experiments in philosophy