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Published online by Cambridge University Press: 15 September 2014
§ 1. The method by which Hamilton has established the symbolical cubic
and more particularly the relation
is founded on a generalisation of the result
where ϕ represents a linear and vector function, and ϕ' its conjugate according to the definition
In the most general case of ϕρ the expression of this function is reducible to a vector sum of three terms of the form αSα1ρ, and the directions which ϕρ is susceptible of representing are generally not limited in space.