Commentary: Criticism is easy, art is difficult (French proverb)

The Art of Criticism? Criticism as Art!

Translating between Language and Logic: What Is Easy and What Is Difficult

Natural language interfaces make formal systems accessible in informal language. They have a potential to make systems like theorem provers more widely used by students, mathematicians, and engineers who are not experts in logic. This paper shows that simple but still useful interfaces are easy to build with available technology. They are moreover easy to adapt to different formalisms and natur...

Is Statistics Too Difficult? Is Statistics Too Difficult?

By means of several historical examples, it is shown that it does not appear to be easy to build bridges between rigorous mathematics and reasonable data{analytic procedures for scientiic measurements. After mentioning of both some positive and some negative aspects of statistics, a formal framework for statistics is presented which contains the concept formation, derivation of results, and int...

Commentary: What Is Art Good For? The Socio-Epistemic Value of Art

Development is easy

Kinetochores hold on with a ring complex that links a budding yeast kinetochore to a microtubule (MT) forms a ring around the MT, based on structures from two groups. The ring may help kinetochores to keep hold of an MT, even as the MT shrinks towards the spindle pole during anaphase. Stephen Harrison (Harvard Medical School, Boston, MA) and Peter Sorger (MIT, Cambridge, MA) are hoping to analy...