The Entia Rationisexist relatively to Ratio, as the Entia Perceptionis exist relatively to Sense.
With much less pomp, but not less solidity and conciseness, the holy Doctor expresses this idea in the words above quoted, rationis ordinatio.
A book by Sharrock, De Officiis secundum Rationis Humanæ Dictata, 1660, is occasionally quoted, and seems to be of a philosophical nature.
But if they are to possess the least objective validity, and to represent anything but mere creations of thought (entia rationis ratiocinantis), a deduction of them must be possible.
This being (ens rationis ratiocinatae) is therefore a mere idea and is not assumed to be a thing which is real absolutely and in itself.
Space is therefore an ens rationis cum fundamento in re.
Sicut realis relatio consistit in ordine rei ad rem, ita relatio rationis consistit in ordine intellectuum [ordination of concepts]; quod quidem dupliciter potest contingere.
They defined man to be an animal participating of reason; animal rationis particeps: and consequently not absolutely possessed of it.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rationis" in a variety of sentences. We hope that you will now be able to make sentences using this word.
