The part of the sentence 'As the third example' is correct and usable in written English.
You can use it to introduce a new example in a list or series of examples as in the sentence below: There are three ways to reduce waste - reuse, upcycle, and recycle. As the third example, you can repurpose items to be used for another purpose.
The more important logical relations are implication (as in the first example above) and equivalence; and, as displayed in the square of opposition (see opposition, square of), contrariety (as in the second example), contradiction, subcontrariety, and subimplication.
Investors and economists have followed the contest as the first example of international investors fighting for full control of a listed Chinese company.
He says Zimbabwe will be remembered as the "first example in the history of this continent of Africans owning their own economy and land".
Although the Smithsons built relatively few major projects, their revolutionary Secondary Modern School at Hunstanton, Norfolk (completed 1954), was generally recognized as the first example of New Brutalism.
During the war, despite Jerry's absence in India, the two produced three papers which were hailed by the social medicine pioneer John Ryle as the "first example of a practical social medicine".
"As the first example of this type of engineering structure, that in and of itself makes it historically significant," says Mary Ringhoff, a historic preservationist surveying the city's historic resources with the Pasadena-based Architectural Resources Group.
He saw that conflict in its broadest strategic terms, and his March to the Sea is generally regarded as the first example of the use of total war in the modern era.
The second album recorded by N.W.A., Straight Outta Compton (1988), was the first gangsta rap L.P. to reach a wide popular audience and was often cited as the first example of West Coast gangsta rap.
