astrology + -er → astrologer

{{quote-web|en|7-2-2011|Samson Abramsky|Introduction to Categories and Categorical Logic||http://arxiv.org/abs/1102.1313|It turns out that ordered pairs can be defined in set theory, e.g. as (x,y):=x,y,y. Note that in no sense is such a definition canonical.|coauthors=Nikos Tzevelekos|page=19}}

The team was given an unreasonably short amount of time to put together a presentation.

The space of the El Al pyramid is created essentially by the packing of truncated tetrahedrons.