unprovable
Related Words
indemonstrableunverifiableunsubstantiatedprovabledemonstrableverifiableaxiomproofevidencelogictheoremhypothesispostulatetruthvalidityverificationfalsificationinferencedeductioninductionparadoxincompletenessmathematicsphilosophyepistemologycertaintydoubtspeculationassertionclaimjustificationdemonstrationcorroborationempiricaltheoretical