>a solicitation for things that are easier to prove in
>general than to prove specific cases. I can't find it now
>:-) https://www.cut-the-knot.org/Generalization/epairs.shtml
>I've prepared a .PDF doc with two examples. I'm new
>to CTK. Is there any interest?
Yes. There is no promise, though.
>Where and how do I send a PDF?
You can upload a file as an attachment to a post here.
Just below the window into which you type your message there is a link "Click here to choose your file". Do that.