HYPERSPACE AS DEFINED BY 19th CENTURY MATHEMATICIANS

perform a search in JSTOR (database of periodicals, University subscription) , including 'mathematics' in the list of subjects (see our previous chapters on multiple dimensions.) You will find the first recorded use of 'hyperspace' by the mathematician Cayley, referring to a space with more than three dimensions.

This is a spherical world where parallel lines meet, as opposed to our world.