Step
*
2
1
1
1
of Lemma
sqequal-append-cbva-weak2
1. F : Base
2. b : Base
3. z : Base
4. u : Base
5. has-valueall(u)@i
6. has-valueall(z)@i
7. has-valueall(b)@i
⊢ let v ←─ z @ b
in F[<u, v>] ~ let u ←─ u
in let v ←─ z @ b
in F[<u, v>]
BY
{ (CallByValueReduceOn ⌈u⌉ 0⋅ THEN Auto) }
Latex:
1. F : Base
2. b : Base
3. z : Base
4. u : Base
5. has-valueall(u)@i
6. has-valueall(z)@i
7. has-valueall(b)@i
\mvdash{} let v \mleftarrow{}{} z @ b
in F[<u, v>] \msim{} let u \mleftarrow{}{} u
in let v \mleftarrow{}{} z @ b
in F[<u, v>]
By
(CallByValueReduceOn \mkleeneopen{}u\mkleeneclose{} 0\mcdot{} THEN Auto)
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