indemonstrable
/ɪndɪˈmɑnstrəbəl/
adjective
- Not able to be proved or demonstrated; impossible to show as true or false.
- The existence of a perfect circle in nature is indemonstrable, since all real circles have imperfections.
- Some philosophical claims are indemonstrable, meaning they cannot be proven by logic or evidence.
- The mathematician argued that certain axioms are indemonstrable and must be accepted as true.
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