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 Trident is akin to the symbology of the shepherd's crook in which the shepherd uses the hook of his crook to save fallen animals by ensnaring them by neck or leg. This is why the crook is often used as a religious symbol by the Druids, and by Christian as the bishops crosier.