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At: zero rank all vars 1 1 1

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) hyp
10. ( < hyp,concl > ) = 0

v:Var. z = v

By: AbReduce -1

Generated subgoal:

110. (hyp)+(concl) = 0
v:Var. z = v


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existsequallistintapplynatural_numberassertpair