Cantons of Switzerland the canton of Schwyz. Six of the 26 cantons are traditionally, but no longer officially, called "half-cantons" (, , , ). In two instances (Basel and Appenzell) this was a consequence of a historic division, whilst in the case of Unterwalden a historic mutual association, resulting in three pairs of half-cantons. The other 20 cantons were — and in some instances still are — though only in a context where it is needed to distinguish them from any half-cantons, typically termed "full" cantons in English. The historic half-cantons, and their pairings, are still recognizable in the first article of the
Cantons of Switzerland this form of legislature has declined: at present it exists only in the cantons of Appenzell Innerrhoden and Glarus. The cantonal executives consist of either five or seven members, depending on the canton. For the names of the institutions, see the list of cantonal executives and list of cantonal legislatures. The cantons retain all powers and competencies not delegated to the Confederation by the federal constitution or law: most significantly the cantons are responsible for healthcare, welfare, law enforcement, public education, and also the power of taxation. Each canton defines its official language(s). Cantons may conclude treaties not only with