Antoine Arnauld & Pierre Nicole 
Logic, or the Art of Thinking [PDF ebook] 
In Which, Besides the Common, Are Contain’d Many Excellent New Rules, Very Profitable for Directing of Reason, and Acquiring of Judgement, in Things as Well Relating to the Instruction of a Mans Self, as of Others; In Four Parts

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. An Advertifement, &c. W But fa feon a: I badflet m} to mark, f0 man} new Reflefliom crowded info {m ‘tbougbu, that I am: cm.