Changes

Summary

Changeset 8910:2a7d26b11b15 by paulson _lp15@cam.ac.uk_: renamings, esp. vsum -> sum
The file was modified	`thys/Cayley_Hamilton/Square_Matrix.thy` (diff)
The file was modified	`thys/Gauss_Jordan/Linear_Maps.thy` (diff)
The file was modified	`thys/QR_Decomposition/Miscellaneous_QR.thy` (diff)
The file was modified	`thys/Rank_Nullity_Theorem/Fundamental_Subspaces.thy` (diff)
The file was modified	`thys/Rank_Nullity_Theorem/Generalizations.thy` (diff)
The file was modified	`thys/Rank_Nullity_Theorem/Miscellaneous.thy` (diff)