LK: Classical First-Order Sequent Calculus
This directory contains the Standard ML sources of the Isabelle system for
First-Order Logic as a classical sequent calculus. (For a Natural Deduction
version, see FOL.) Important files include
ROOT.ML -- loads all source files. Enter an ML image containing Pure
Isabelle and type: use "ROOT.ML";
Makefile -- compiles the files under Poly/ML or SML of New Jersey
ex -- subdirectory containing examples. To execute them, enter an ML image
containing LK and type: use "ex/ROOT.ML";
Useful references on sequent calculi:
Jean Gallier, Logic for Computer Science (Harper&Row, 1986)
G. Takeuti, Proof Theory (North Holland, 1987)