The rhombus classes of degrees of unsolvability (I), The jump properties Xizhong Zheng OriginalPaper Pages: 1 - 12
Kelley-Morse+Types of well order is not a conservative extension of Kelley Morse Haim JudahM. Victoria Marshall OriginalPaper Pages: 13 - 21
Nilpotent complements and Carter subgroups in stable ℜ-groups Frank O. Wagner OriginalPaper Pages: 23 - 34
Collapsing functions based on recursively large ordinals: A well-ordering proof for KPM Michael Rathjen OriginalPaper Pages: 35 - 55