Today's 10 things to be miserable about

Mortgage loans;
Executives who expense prostitutes to corporate accounts;
Remote controlled machine guns;
Socially acceptable prejudices;
Aging beauty queens;
Glass ceilings;
Zookeepers mauled by tigers;
Rationales for murder;
World War II-era bombs unearthed in European cities;
Pets treated with psychoanalysis.

take a look

http://www.slideshare.net/debasishg/an-algebraic-approach-to-functional-domain-modeling

I'm afraid the guy is not very versatile with model theory and category theory. Reminds me someone.

(sigh)

век живи век учись

"Она забежала в ванную, завесила зеркало и выкупалась."