Infinity-extensible automorphism

Symbol-free definition
An automorphism of a group is said to be infinity-extensible if it is $$\alpha$$-extensible for every ordinal $$\alpha$$.

Stronger properties

 * Weaker than::Inner automorphism

Weaker properties

 * Stronger than::Extensible automorphism
 * Stronger than::Finite-iteratively extensible automorphism
 * Stronger than::Chain-extensible automorphism