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Theorem datasize-add-empty-h
⊦ subarray(buf, n0, n1) = mkempbuf(n1) ∧ n0 + n1 ≤ # buf → datasize(buf, n0 + n1) = datasize(buf, n0)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 9
Proof steps: 20
Used lemmas:
datasize-rec
,
Used spec theorems:
array
/buffer/
Extension
array-copy
/buffer/
subarray-at
Used simplifier rules:
array-copy
/buffer/
subarray-zero
nat-basic
/
add-base
nat
/
succ-01
nat-basic
/
succ
nat
/
lels-03
nat-basic
/
eq-01
nat-basic
/
f
array-copy
/buffer/
subarray-at
array-splice
/buffer/
emparray-len
array-copy
/buffer/
size-subarray
nat-basic
/
ls-02
array-splice
/buffer/
emparray-at
nat-basic
/
s-04
nat-basic
/
ref
nat-basic
/
a
nat-basic
/
c