In this paper, we introduce a new algebraic structure, called a UP-algebra (UP means the University of Phayao) and a concept of UP-ideals, UP-subalgebras, congruences and UP-homomorphisms in UP-algebras, and investigated some related properties of them. We also describe connections between UP-ideals, UP-subalgebras, congruences and UP-homomorphisms, and show that the notion of UP-algebras is a ...

This book has been written especially for students of anatomy and surgery, and the aim of the author has been to arrange the subject so as to make it equally serviceable as a text-book and a dissector. There are now so many wellestablished text-books on anatomy that an author in bringing forward a new work on the subject ought either to show some new arrangement of material, or else to illustra...

MINOIID)ES M\IYN.\S, II the cotirse of a visit to thue imonasterics of \louiit .\thos, unidertaken on the inst ructiois of V liemain, Minister of E(duCationl inI f-'rance from 1840 till 1P845, fouLnd(i a umb1er)( of litlherto tiunkniowxnl (Greck; manuscripts .\Anong these was one xliicli coitanle(d tile cmiiltlsiotn of (Galcn 's ()n I)ccline,'' the wvhole of Galelln sIlitrolttioLn t (o ) I o ic...

The Dutch physician Cornelis Bontekoe was a well-known and controversial figure,1 best remembered as a propagandist for tea.2 His popular Tractaat van het excellenste kruyd thee (Treatise on Tea, the Most Excellent Herb), commonly known as Theetractaat (The Tea Treatise), was printed in 1678, and two more editions appeared in 1679 and 1685.3 Allegedly, he was remunerated by the Dutch United Eas...