Changes

Changes from Mercurial (hg https://foss.heptapod.net/isa-afp/afp-devel/ default)

Changeset 11761:6a7d4e617b10 by asta halkjær from _andro.from@gmail.com_: Tweaks
The file was modified	`thys/Epistemic_Logic/Epistemic_Logic.thy`
Changeset 11760:d119f1e8ad9a by rene thiemann _rene.thiemann@uibk.ac.at_: restructure proof
The file was modified	`thys/Perron_Frobenius/Spectral_Radius_Largest_Jordan_Block.thy`