A Platonistic set theory with a universal set, CUSÉ©, in the spirit of Alonzo Church's "Set Theory with a Universal Set," is presented; this theory uses a different sequence of restricted equivalence ...
Just when we thought we’d seen all the ways there are to tell time, along comes [mr_fid]’s Berlin clock build. It’s based on an actual clock commissioned by the Senate of Berlin in the mid-1970s and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback