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non-tautologous
non-tautologous adj. 
/ˌnɑnˌtɑˈtɑləɡəs/
Brit. /ˌnɒntɔːˈtɒləɡəs/
, /ˌnɒntɔːˈtɒləɡəs/U.S. /ˌnɑnˌtɔˈtɑləɡəs/
, /ˌnɑnˌtɔˈtɑləɡəs//ˌnɑnˌtɑˈtɑləɡəs/ΚΠ
1902 Mind 11 100 The establishment of non-tautologous analytical judgments.
1986 E. Pivcevic Concept of Reality (BNC) 22 Unlike ‘I actually exist’ such statements are non-tautologous and can be significantly denied.
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