Executive function and self-regulation skills are the mental processes that enable us to plan, focus attention, remember instructions, and juggle multiple tasks successfully.
William of Ockham (circa 1287â1347) was an English Franciscan friar and theologian, an influential medieval philosopher and a nominalist. His popular fame as a great logician rests chiefly on the maxim attributed to him and known as Ockham's razor.
William of Ockham, a Franciscan friar who studied logic in the 14th century, first made this principle well known. In Latin it is sometimes called lex parsimoniae, or the law of briefness. William of Ockham supposedly (see below) wrote it in Latin as: Entia non sunt multiplicanda praeter necessitatem. This translates roughly as: