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 rose is also considered a symbol of balance in tarot. The belief is that this flower expresses new beginnings and hope, which is in contrast to the thorns that represent loss and defense. This is an excellent rose tattoo meaning since just about everyone wants some type of balance in their lives.