A sequent calculus with procedure calls
  In this paper, we extend the sequent calculus LKF into a calculus LK(T), allowing calls to a decision procedure. We prove cut-elimination of LK(T). 
Mahfuza Farooque (LIX, INRIA Saclay - Ile de France), St\'ephane   Lengrand (LIX, INRIA Saclay - Ile de France)
cs.LO