Tjörn is a municipality in southwest Sweden, in the county of Västra Götaland. The municipality covers an area of 167.3 km². Of the total population of 14733, 7543 are male, and 7190 are female. The population density of the community is 88 inhabitants per km².
... or more generally members of any field whose characteristic is not 2. (In a field of characteristic 2, the element 2a is zero and it is impossible to divide by it.) ...