Build #678 (May 17, 2022, 3:12:09 PM)

1. tidied auto / simp with null arguments (detail / hgweb)
2. tuned signature; (detail / hgweb)
3. provide Isabelle/Electron test; (detail / hgweb)
4. tuned text; (detail / hgweb)
5. tuned text; (detail / hgweb)
6. Tidied up some super-messy proofs (detail / hgweb)
7. Added a couple of obvious simprules (detail / hgweb)
8. added lemma (detail / hgweb)

Started by an SCM change

This run spent:

• 8.7 sec waiting;
• 3 hr 39 min build duration;
• 3 hr 39 min total from scheduled to completion.