Descartes has laid down three laws of nature, and seven secondary laws regarding impact.
In July 1865, when politics had shifted from the basis of the 1861 Constitution, he laid down office, and retired from public affairs.
Leo at once announced that he would excommunicate the king of France and release his subjects from their allegiance unless Francis laid down his arms and surrendered Parma and Piacenza.
Descartes laid down the lines on which modern philosophy and science were to build.
In Edinburgh, Glasgow, and elsewhere in Scotland, and in London (through the county council), Newcastle and other English towns, the corporations have laid down greens in public parks and open spaces.