Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
An example of exception to irreversibility is shown in the upper box (which is part of a larger differentiation graph) where one sees that by inhibiting a specific switch node the red TES differentiates to the azure one, but the path can be reversed. The lower box describes another (irreversible) branch of the same network.
