Revision Ledger

The complete index

Notes

A collection about changing notes without losing the meaning of earlier observations.

Begin with any of these seven notes. The section list and neighbouring readings offer a route back when a question changes.

02

Why a refresh can show an older page

A browser may reuse stored content instead of transferring it again. A refresh is therefore an observation about both the website and the browser's local state.

04

Compare two attempts fairly

Two numbers become a useful comparison only when their conditions are known. The differences around the numbers can matter more than their size.

06

Finish a small piece of work

An action finishing is useful evidence. The result that another person will use deserves its own check and a short route back.