User blog comment:MilkyWay90/Help with understanding Veblen array notation/@comment-30754445-20180811202716/@comment-35470197-20180821072728

@Fejfo

Thank you. So "fixed point" in the definition of uncountable Veblen function is a typo of "weak fixed point", because I think that \(\varphi_{A}\) for uncountable limit ordinal \(A\) does not necessarily have a fixed point if you fix an arbitrary FS.