At: rel mng 2 lemma 1 2 1 2 1 3 1 1 2
1. ds: Collection(dec())
2. da: Collection(dec())
3. de: sig()
4. rho: Decl
5. st1: Collection(SimpleType)
6. e1: {1of([[de]] rho)}
7. s: {[[ds]] rho}
8. s': {[[ds]] rho}
9. a: [[st1]] rho
10. tr: trace_env([[da]] rho)
11. l: Term List
12. u: Term
13. v: Term List
14. 
i:
(||v||+1). trace_consistent(rho;da;tr.proj;[u / v][i])
15. ls: SimpleType List
16. f: reduce(
s,m. [[s]] rho
m;Prop;ls)
17. ||ls|| = ||v||+1 
18. i:. i < ||v||+1 
ls[i] term_types(ds;st1;de;[u / v][i])
19. ls:SimpleType List, f:reduce(s,m. [[s]] rhom;Prop;ls).
||ls|| = ||v|| & (i:. i < ||v|| ls[i] term_types(ds;st1;de;v[i]))
list_accum(x,t.x([[t]] e1 s s' a tr);f;v) Prop
20. f:reduce(s,m. [[s]] rhom;Prop;tl(ls)).
||tl(ls)|| = ||v|| & (i:. i < ||v|| tl(ls)[i] term_types(ds;st1;de;v[i]))
list_accum(x,t.x([[t]] e1 s s' a tr);f;v) Prop
21. i:
22. i < ||v||
23. ls[(i+1)] term_types(ds;st1;de;[u / v][(i+1)])
24. 0 < i+1
nth_tl(i+1-1;tl(ls)) ~ nth_tl(i;tl(ls))
By: Analyze
Generated subgoals:None
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