Critical Skills Training. Postdoctoral trainees are typically well trained in the technical aspects of their discipline but few receive formal training in leadership. This course will equip you with the critical leadership skills you need to succeed in a wide range of scientific career paths. Interactive Format.
Horseshoe (â, \supset in TeX) is a symbol used to represent: 1  Material conditional in propositional logic. 2  Superset in set theory.
The water triangle is often represented by a chalice or cup; the symbol of water in tarot is the cup. In Ritual magick and some Wiccan traditions, the elemental spirits of water are Undines. Zodiac signs ruled by water are: Pisces, Cancer, Scorpio. See also: Tools of Magick/Tarot Hallows.