Full Idea
Since they are the foundations on which a proof rests, the axioms in a good axiomatic system ought to represent indisputable logical truths.
Gist of Idea
Good axioms should be indisputable logical truths
Source
Theodore Sider (Logic for Philosophy [2010], 2.6)
Book Reference
Sider,Theodore: 'Logic for Philosophy' [OUP 2010], p.46