• (a.) Beyond the scope or province of logic.
Met`a·log'ic·al adjective Beyond the scope or province of logic. 
That which belongs to the basis of logic. Metalogical truths are the laws of thought, the formal conditions of thinking inherent in reason. (Schopenhauer.) -- H.H. The same word is now commonly used in quite a different sense, as a synonym of syntactical. See syntax, logical. -- A.C.