The few facts definitely ascertainable are collected by G.
If we answer " Yes " to that question, we pass on from intuitionalism to idealism - an idealism not on the lines of Berkeley (matter does not exist) but of Plato (things A obey an ascertainable rational necessity).
Hegel offers a supposed proof that Time and Space, Matter, Nature, are ascertainable and definable 2 This is Kant's positive refutation of Hume's scepticism.
By prearrangement, no doubt, uniformity may be obtained in regard to most of the main statistical facts ascertainable at a census, at all events in the more advanced units of the empire, and proposals to this effect were made by the registrar-general of England and Wales in his report upon the figures for 1901.
Ascertainable fact concerning Eustace is less picturesque, but enough is known to show that he was an adventurous and unscrupulous scoundrel.
Rhe boundary between English and Danes established by the eace of 8~8 is not perfectly ascertainable, but a document of a few years later, called 0 Alfred and Guthrums frith, gives the border as lying from Thames northward up the Lea to its source, then across to Bedford, and then along the Ouse to Watling Street, the old Roman road from London to Chester.
It is comparatively unimportant to the determinist whether the cause to which he attributes conduct be the self, or the will, or character, or the strongest motive, provided that each of these causes be regarded as definitely ascertainable and that its effects in sufficiently known circumstances be calculable.
Further, the effects that he estimates are all of a definite, palpable, empirically ascertainable quality; they are such pleasures and pains as most men feel and all can observe, so that all his political or moral inferences lie open at every point to the test of practical experience.
Where Wace follows no ascertainable source he must be used with caution.
That is to say, ascertained or ascertainable effects were made the starting-point instead of the goal of research.