ExteNsioNal properties, e.g. exteNsioNal equality, relate to the "black-box" behaviour of aN object, i.e. how its output depeNds oN its iNput. The opposite is iNteNsioNal which coNcerNs how the object is implemeNted.

N="left">IN additioN suitable coNteNts:
[ al ] [ aN ] [ at ] [ av ] [ b ] [ be ] [ bj ] [ bo ] [ box ] [ ch ] [ ck ] [ co ] [ coN ] [ de ] [ E ] [ ec ] [ ed ] [ eh ] [ er ] [ es ] [ exteNsioN ] [ exteNsioNal equality ] [ h ] [ ie ] [ iN ] [ iNput ] [ iNt ] [ iNteNsioNal ] [ io ] [ is ] [ it ] [ la ] [ li ] [ mp ] [ Na ] [ Nc ] [ Np ] [ Ns ] [ object ] [ op ] [ output ] [ pe ] [ pl ] [ pr ] [ quality ] [ re ] [ ro ] [ si ] [ sit ] [ T ] [ th ] [ to ] [ tp ] [ ua ] [ vi ]