Kneale's "Secondary Induction" (Probability and Induction, 1949, p. 104) -- cited by Grice

In "Reply to Richards:


Scientific Revolution for Ever? -
by W KNEALE - 1968
... should be called secondary induction ([1], p. 104). ...... William Kneale, Probability and Induction (Oxford, 1949). ...
bjps.oxfordjournals.org/cgi/reprint/19/1/27.pdf



--- Grice was interested in the ontological commitments of such an induction. The formalisation of the principle of secondary induction seems to use variables that range over properties qua substantial universals. Or something.