Re: [isabelle] rigorous axiomatic geometry proof in Isabelle
Jeremy, if you or anyone else wants to talk about Euclid off-line, I'd
be happy to talk. As I try to explain in my paper, I love the Elements
It's very creative and forms the basis of non-Euclidean geometry.
Thanks, Chris, that's very helpful. I'll look for the red wavy error
lines in jedit. I'll look at /src/HOL/ex/. I've looked at
tutorial.pdf, but I'll look again, and isar-overview.pdf sounds good.
Thanks for explaining simp, blast etc, although I don't really know
what you mean. Is there somewhere an FOL example, with a long
(perhaps indigestible) single step "rule" method proof, which is
shortened with simp, and then shortened even more with blast & auto?
(In courses it is often done that students are only allowed to use
certain rules in order to proof a statement, since the automatic
tools would outright solve many typical examples.)
Wow! Can you point me to any of these courses? That sounds like what
I need to know. As I posted earlier, I'm mostly trying to cite some
good code for my geometry paper above (which I'll then submit). I
don't have to write the code myself, although I did
Examples of real classroom situations where students hand in Isabelle
proofs would be fantastic! Dunno about Europe, but US public schools
are really gungho about computer applications.
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