A books/projects/set-theory/reals/dedekind.lisp
A books/projects/set-theory/reals/negative.lisp
A books/projects/set-theory/reals/sum.lisp
Log Message:
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Begin the development of reals in set theory via Dedekind cuts.
I've defined Dedekind cuts and their sum and negative, proving that
sum and negative preserve the property of being a Dedekind cut.
Proving this for the negative case was getting messy, so I got AI to
help as described in file
books/projects/set-theory/reals/negative.lisp.
A books/projects/set-theory/reals/cert.acl2
A books/projects/set-theory/reals/dedekind.lisp
A books/projects/set-theory/reals/negative.lisp
A books/projects/set-theory/reals/sum.lisp