At: zero rank all vars12111112 1. L: Sequent List 2. eqS: {Sequent=} 3. eqF: {Formula=} 4. sL.((s) = 0) 5. hyp: Formula List 6. concl: Formula List 7. < hyp,concl > (eqS) L 8. z: Formula 9. z(eqF) concl 10. M: Formula List 11. N: Formula List 12. concl = (M @ (z.N)) 13. (hyp)+(M)+(z)+(N) = 0 14. (z) = 0
v:Var. z = v By: MoveToConcl -1
THEN
TryOnAllHyps Thin Generated subgoal: