Transcriber's Note:
The book cover was created by the transcriber and placed in the Public Domain.
Punctuation has been corrected without comment.
The English spelling in this book is that found in the Oxford English Dictionary (OED).
Page 78: 'comformable' corrected to 'conformable'
"The following is an argument conformable to the above rules."
Page 99: "un-extended, im-material, im-ponderable"
The author used hyphens in the above words for emphasis.
Other instances of hyphens used for emphasis occur in the book.
Other instances of hyphenated and unhyphenated words occur in the book.
Page 216: 'inclose is a variant of 'enclose'.