CIE
2008
Springer
14 years 8 months ago
2008
Springer
The proof of the relative consistency of the axiom of choice has been mechanized using Isabelle/ZF, building on a previous mechanization of the reflection theorem. The heavy relia...
CADE
2002
Springer
15 years 6 months ago
2002
Springer
The reflection theorem has been proved using Isabelle/ZF. This theorem cannot be expressed in ZF, and its proof requires reasoning at the meta-level. There is a particularly elegan...