At:
rel mentions iff
1
2
1
3
1.
r: rel()
2.
x: Label
3.
l: Term List
4.
u: Term
5.
v: Term List
6.
(
i:
. i < ||v|| & (x
term_vars(v[i]))) 
(x
reduce(
t,vs. term_vars(t) @ vs;nil;v))
7.
(
i:
. i < ||v|| & (x
term_vars(v[i]))) 
(x
reduce(
t,vs. term_vars(t) @ vs;nil;v))
8.
i:
9.
i < ||v||+1
10.
i = 0
i < ||[u / v]||
By:
Reduce 0
Generated subgoals:
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