70

Logic 70 Euclid's form of demonstration

performs a thinking process.
Still the inference or argument so far as logic can take any cognizance of it may be not to say probably is of an entirely different construction from thin thinking process as i have already pointed out in considering Aristotle's view that there must be first principles of science.
If the reader will look at any theory of Euclid (it had better be from the fair book which alone is drawn up with great logical care) he will notice that the proposition is first enunciated in abstract terms.
This is the form of embodiment of it which is suitable for staroge.
But having so stated it Euclid constructs a figure and eenumciated the proposition with reference to that figure.
Since this figure may be any figure conforming to the conditions of the abstract statement the new enunciation is precisely