c 
gment C 2 ; ) to be equal to the ReSilineal Triangle B s f. And, 
" that thofe two fpaces A g and the Difference of BHCd front 
"the Segment Ct ( parts of the Lunula ACBg^ A ) taken to° 
^'gether, are equal to the Triangle ACB; as well as the two 
"Spaces AEDand BED, parts of the Lumh o{ Hippocrates * 
So that, upon the whole, it appears, that the Two Gircles- 
" ( containing the Lunula Hippocrates ) being completed ; this 
" Lunula AEBGA, and the other ACB g y_ A, make up one Syftem^, 
" and are Conjugate Figures. 
" For, (drawing a [freight line CDEjOr C % ^f>x C t d,at pleafure, 
" through C the Center of the Greater Circle^ and cutting thofe, 
two Circles,) the Space contained withm two Arcsof thefe two. 
"Circles and part of the faid ilreight line, (as AED, or kt^y Ot, 
"BHid,) 
