Sequents: Various Sequent Calculi

This directory contains the ML sources of the Isabelle system for various Sequent, Linear, and Modal Logic.

The subdirectories ex, ex/LK, ex/ILL, ex/Modal contain some examples.

Much of the work in Modal logic was done by Martin Coen. Thanks to Rajeev Gore' for supplying the inference system for S43. Sara Kalvala reorganized the files and supplied Linear Logic. Jacob Frost provided some improvements to the syntax of sequents.

Useful references on sequent calculi:

Useful references on Modal Logics: Useful references on Linear Logic: