Stigma (letter) Stigma (letter) Stigma (ϛ) is a ligature of the Greek letters sigma (Σ) and tau (Τ), which was used in writing Greek between the Middle Ages and the 19th century. It is also used as a numeral symbol for the number 6. In this unrelated function, it is a continuation of the old letter digamma (originally Ϝ, cursive form ), which had served as a numeral since antiquity and was conflated with the σ-τ ligature in the minuscule handwriting of the Middle Ages. The στ ligature (, ) was one of many ligature forms that came into widespread use as
Hazing in Greek letter organizations members or pledges, as part of their hazing rituals. Many educational institutions have developed anti-hazing programs, which encourage alternatives to hazing through the planning of purposeful activities, inform students of how to take action and avoid being a bystander, and provide clear consequences for those students and/or organizations who violate hazing policies . Additionally, hazing has become a central focus of programs designed to help Greek letter organizations become more value congruent through institutionalized standards and expectations . Attempts at preventing hazing have also targeted Greek letter organizations at the national level. note the important role of culture change within