[agumonkey]

oh you reminded me of a program we used in college named the same. It was about model theory and valid logic clauses (blurry memories)..

[telekid]

Yep, showed up in a First Order Logic course for me. IIRC, it was bundled with a book?

Edit - this one: https://web.stanford.edu/group/cslipublications/cslipublicat...