A is accused of burning down his house to obtain the money for which it is insured. A had lived in…

Section 13 makes relevant, on the question whether an act was accidental or intentional, the fact that it formed part of a series of similar occurrences in each of which the person was concerned. Illustration (a) to section 13 applies this to the series of insured fires, so the answer is "Relevant, as tending to show that the fires were not accidental". The series goes to accident or design, not to character, and no earlier conviction is needed.