At: normalization lemma 1 1 1 1 1 1 1 2 1 2 1 1
1. hyp: Formula List
2. concl: Formula List
3.
f
hyp.(
(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.
s
L.(
(s) = 0)
12.
s
L.|= s 
|= < M @ N,x.concl >
13.
a:Assignment.
s
L.a |
s 
a |
< M @ N,x.concl >
14.
s
L.|= 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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