Premise: Philip V ( Felipe V , Philippe , Filippo 19 December 1683 -- 9 July 1746 ) was King of Spain from 1 November 1700 to 15 January 1724 , when he abdicated in favour of his son Louis , and from 6 September 1724 , when he reassumed the throne upon his son 's death , to his own death 9 July 1746 . The sum of his two reigns , 45 years and 21 days , is the longest in modern Spanish history .
Hypothesis: The sum of Philip V of Spain's two reigns was 45 years and 21 days.
Label: ENTAILMENT