Logic, or, The art of thinking : in which beſides the common, are contain'd many excellent new rules, very profitable for directing of reason, and acquiring of judgment, in things as well relating to the inſtruction of a man's self, as of others : in four parts I. Conſiſting of reflections upon ideas, or upon the first operation of the mind, which is called apprehension, &c. II. Of considerations of men about proper judgments, &c. III. Of the nature and various kinds of reasoning, &c. IV. Treats of the moſt profitable method for demonstrating or illustrating any truth ; to which is added an index to the whole book