Safe Systems from Unreliable Parts

[grauzone]

Walter Bright wrote:
> This is an important topic for anyone who is building software systems 
> that, if they fail, can cause injury or large property damage.
> 
> http://www.reddit.com/r/programming/comments/9z811/safe_systems_from_unreliable_parts/ 

Clicking on the link linked by your link, I get:

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