“Mathematics had never had more than a secondary interest for him [her husband, George Boole]; and even logic he cared for chiefly as a means of clearing the ground of doctrines imagined to be proved, by showing that the evidence on which they were supposed to give rest had no tendency to prove them.” ScienceInterestEvidenceLogicMathematicsMathBooleGeorge Boole Author:Mary Everest Boole