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At: normalization lemma 1 1 1 1 1 1 1 2 1 2 1 1

1. hyp: Formula List
2. concl: Formula List
3. fhyp.((f) > 0)
4. M: Formula List
5. N: Formula List
6. f: Formula
7. x: Formula
8. (x) > 0
9. hyp = (M @ (x.N))
10. L: Sequent List
11. sL.((s) = 0)
12. sL.|= s |= < M @ N,x.concl >
13. a:Assignment. sL.a | s a | < M @ N,x.concl >
14. sL.|= s

|= < M @ (x.N),concl >

By: BackThru Thm* concl,M,N:Formula List, f2:Formula. |= < M @ N,f2.concl > |= < M @ (f2.N),concl >

Generated subgoal:

1 |= < M @ N,x.concl >


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