Forms of the Pasch axiom in ordered geometry

We prove that, in the framework of ordered geometry, the inner form of the Pasch axiom (IP) does not imply its outer form (OP). We also show that OP can be properly split into IP and the weak Pasch axiom (WP) (© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)