Changes from Mercurial (hg https://foss.heptapod.net/isa-afp/afp-devel/ default)
Summary
- Appendix with another axiom system as a variant of the proof.
The file was added | thys/Implicational_Logic/Implicational_Logic_Appendix.thy |
The file was added | thys/Implicational_Logic/Implicational_Logic_Appendix.thy |