a comathematician is a device for turning cotheorems into ffee. Source: http://mathoverflow.net/questions/1083/do-good-math-jokes-exist-closed http://mathoverf

a comathematician is a device for turning cotheorems into ffee. Source: http://mathoverflow.net/questions/1083/do-good-math-jokes-exist-closed http://mathoverflow.net/questions/1083/do-good-math-jokes-ex...