Logic, Inductive and DeductivePart 4 / Book 2 — Chapter VI.Reading editionChapter navigation75 reading sectionsGo to chapterChoose a chapter…Front matterLOGICINDUCTIVE AND DEDUCTIVEPREFACE.GENERAL PLAN OF THE SERIES.BOOK I.PART I.Chapter IChapter IIPART II.Chapter IChapter IIChapter IIIChapter IVPART III.Chapter IChapter IIChapter IIIChapter IVPART IV.Chapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXBOOK II.Chapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXChapter XINTRODUCTION.PART I.Chapter IChapter IIPART II.Chapter IChapter IIChapter IIIChapter IVPART III.Chapter IChapter IIChapter IIIChapter IVPART IV.Chapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXINDUCTIVE LOGIC, OR THE LOGIC OF SCIENCE.Chapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXChapter XPrevious chapter ←Part 4 / Book 2 — Chapter VNext chapter →Part 4 / Book 2 — Chapter VIIAll chapters and sections (75)Opening pagesFront matterOther sectionsLOGICINDUCTIVE AND DEDUCTIVEPREFACE.GENERAL PLAN OF THE SERIES.Books1Parts1Part 1 · Chapters12Parts2Part 2 · Chapters1234Parts3Part 3 · Chapters1234Parts4Part 4 · Chapters123456789Part 4 / Book 2 · Books2Part 4 / Book 2 · Chapters12345678910Part 4 / Book 2 · Other sectionsINTRODUCTION.Part 1 · Parts1Part 1 · Chapters12Part 2 · Parts2Part 2 · Chapters1234Part 3 · Parts3Part 3 · Chapters1234Part 4 · Parts4Part 4 · Chapters123456789Part 4 / Book 2 · Other sectionsINDUCTIVE LOGIC, OR THE LOGIC OF SCIENCE.Part 4 / Book 2 · Chapters12345678910Chapter VI.Methods of Observation—Minor Methods. (1) Concomitant Variations. (2) Single Residue, 329◇Notes in this chapterNote 1 · Footnote 1: The first statement of the Law of Identity in the form Ens est ens is ascribed by Hamilton (Lectures, iii. 91) to Antonius AndreNote 2 · Footnote 2: τὸ γὰρ αὐτὸ ἅμα ὑπάρχειν τε καὶ μὴ ὑπάρχειν ἀδύνατον τῷ αὐτῷ καὶ κατὰ τὸ αὐτὸ, . . . αὕτη δὴ πασῶν ἐστὶ βεβαιοτάτη τῶν ἀρχῶν. ii← Chapter V.Chapter VII. →