52. As real existence, the simple idea carries with it ‘invented’ relation of cause.
53. Correlativity of cause and substance.
54. How do we know that ideas correspond to reality of things? Locke’s answer.
55. It assumes that simple ideas are consciously referred to things that cause them.
56. Lively ideas real, because they must be effects of things.
57. Present sensation gives knowledge of existence.
58. Reasons why its testimony must be trusted.
59. How does this account fit Locke’s definition of knowledge?
60. Locke’s account of the testimony of sense renders his question as to its veracity superfluous.
61. Confirmations of the testimony turn upon the distinction between ‘impression’ and ‘idea’.