| In countries that do not formally designate an official language, a de facto national language usually evolves. |
| At age seventeen he led a successful coup against Mortimer, the de facto ruler of the country, and began his personal reign. |
| Furthermore, it is the de facto language of the United Kingdom, the United States and Australia. |
| By the time of his death in March 1625, Charles and the Duke of Buckingham had already assumed de facto control of the kingdom. |
| But cooperation within the Committee of Public Prosperity, since April 1793 the de facto executive government, started to break down. |
| He agrees with Kant that Hume's empiricism is refuted de facto by the example of mathematics, whose judgments are synthetic a priori. |
