The Theories view provides a high-level overview of the currently open theories and their automatically-loaded dependencies.
The progress bars display how much of each theory has been processed. Furthermore, the status of each theory is indicated by the icon: theories with errors, warnings, finished or unfinished jobs can be identified at a glance.
Double-click a theory in the list to open it in an editor.
The theories can be searched by using the filter field.
The top of the Theories view shows the current status of the Isabelle prover.
Isabelle execution actions
The Theories view also hosts buttons to cancel the current Isabelle execution and check the active editor.