obliquangular

And for this reason it is that I conclude that to be true of any obliquangular or scalenon which I had demonstrated of a particular right-angled equicrural triangle, and not because I demonstrated the proposition of the abstract idea of a triangle And here it must be acknowledged that a man may consider a figure merely as triangular, without attending to the particular qualities of the angles, or relations of the sides.

A Treatise Concerning the Principles of Human Knowledge, by George Berkeley 2006

And for this reason it is that I conclude that to be true of any obliquangular or scalenon which I had demonstrated of a particular right -- angled equicrural triangle, and not because I demonstrated the proposition of the abstract idea of a triangle And here it must be acknowledged that a man may consider a figure merely as triangular, without attending to the particular qualities of the angles, or relations of the sides.

A Treatise Concerning the Principles of Human Knowledge George Berkeley 1719