1914 23 156 The generalizations of experience and the non-demonstrative sciences.
1944 53 344 We must admit non-demonstrative principles of inference which are not derivable from experience.
1965 P. Caws xxvi. 193 The most common name for such non-demonstrative inference is induction.
1992 7 51/2 Induction refers to all cases of non-demonstrative argument.